JP2991810B2 - Ethanol gold ink composition - Google Patents
Ethanol gold ink compositionInfo
- Publication number
- JP2991810B2 JP2991810B2 JP14409491A JP14409491A JP2991810B2 JP 2991810 B2 JP2991810 B2 JP 2991810B2 JP 14409491 A JP14409491 A JP 14409491A JP 14409491 A JP14409491 A JP 14409491A JP 2991810 B2 JP2991810 B2 JP 2991810B2
- Authority
- JP
- Japan
- Prior art keywords
- ethanol
- ink composition
- resin
- ink
- solvent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000203 mixture Substances 0.000 title claims description 20
- WBUZNMHGYZJJTL-UHFFFAOYSA-N ethanol;gold Chemical compound [Au].CCO WBUZNMHGYZJJTL-UHFFFAOYSA-N 0.000 title 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 32
- 239000011347 resin Substances 0.000 claims description 18
- 229920005989 resin Polymers 0.000 claims description 18
- 229910001369 Brass Inorganic materials 0.000 claims description 13
- 239000010951 brass Substances 0.000 claims description 13
- 150000002576 ketones Chemical class 0.000 claims description 13
- RCHKEJKUUXXBSM-UHFFFAOYSA-N n-benzyl-2-(3-formylindol-1-yl)acetamide Chemical compound C12=CC=CC=C2C(C=O)=CN1CC(=O)NCC1=CC=CC=C1 RCHKEJKUUXXBSM-UHFFFAOYSA-N 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 9
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 8
- 239000010931 gold Substances 0.000 claims description 8
- 229910052737 gold Inorganic materials 0.000 claims description 8
- 239000000976 ink Substances 0.000 description 32
- 239000002904 solvent Substances 0.000 description 13
- 230000000052 comparative effect Effects 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002245 particle Substances 0.000 description 6
- 239000002270 dispersing agent Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
- 239000011888 foil Substances 0.000 description 4
- 230000001988 toxicity Effects 0.000 description 4
- 231100000419 toxicity Toxicity 0.000 description 4
- IANQTJSKSUMEQM-UHFFFAOYSA-N 1-benzofuran Chemical compound C1=CC=C2OC=CC2=C1 IANQTJSKSUMEQM-UHFFFAOYSA-N 0.000 description 3
- 239000003086 colorant Substances 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003112 inhibitor Substances 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 239000000049 pigment Substances 0.000 description 3
- 239000013049 sediment Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- LZCLXQDLBQLTDK-UHFFFAOYSA-N ethyl 2-hydroxypropanoate Chemical compound CCOC(=O)C(C)O LZCLXQDLBQLTDK-UHFFFAOYSA-N 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 239000002923 metal particle Substances 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 241000772600 Norion Species 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 125000000664 diazo group Chemical group [N-]=[N+]=[*] 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 229940116333 ethyl lactate Drugs 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- WVDDGKGOMKODPV-ZQBYOMGUSA-N phenyl(114C)methanol Chemical compound O[14CH2]C1=CC=CC=C1 WVDDGKGOMKODPV-ZQBYOMGUSA-N 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000001054 red pigment Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 239000004034 viscosity adjusting agent Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 239000001052 yellow pigment Substances 0.000 description 1
Landscapes
- Inks, Pencil-Leads, Or Crayons (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、マーキングペン、筆な
どに適用されて、金属光沢のある色調を与える金用イン
キ組成物に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a gold ink composition which is applied to a marking pen, a brush and the like to give a metallic glossy color tone.
【０００２】[0002]
【従来の技術】従来より、油性インキとしては真鍮など
の金属粉を有機溶剤ベースのビヒクル中に分散したメタ
リック調のインキは良くしられているが、キシレンなど
の刺激性の強い有機溶剤を使用しているため、その臭気
や溶剤蒸気による害、また樹脂板の種類によつて筆記表
面を侵し易いなどの点が問題となっている。一方、その
有機溶剤による悪作用のないインキとして水性インキが
研究されているが、金属と水や他の添加剤との反応によ
り経時的に劣化してしまうことや、水の蒸発が遅いため
特に非吸収性の筆記面に描いた場合に乾燥して描線が定
着するまでに時間がかかるという問題があった。また、
両方の溶剤系に共通の問題として真鍮などの金属粉のイ
ンキは、比重が大きいために沈降が早く、硬い沈降物を
作ることから、筆記具のインキ溜めにインキ攪拌用のボ
ールなどを入れて沈降しても再攪拌の可能な構造をとっ
ているにもかかわらず、均一なインキの流出を困難なも
のにするという問題があった。2. Description of the Related Art Conventionally, metallic inks in which a metal powder such as brass is dispersed in an organic solvent-based vehicle have been used as an oil-based ink, but a highly irritating organic solvent such as xylene is used. Therefore, there is a problem in that the odor and solvent vapor cause harm, and the writing surface is easily eroded depending on the type of resin plate. On the other hand, water-based inks have been studied as inks that do not have any adverse effects due to the organic solvent, but are particularly deteriorated over time due to the reaction between metal and water or other additives, and because of slow evaporation of water. When drawing on a non-absorptive writing surface, there is a problem that it takes time to dry and fix the drawn line. Also,
As a problem common to both solvent systems, metal powder ink such as brass sediments quickly due to its high specific gravity and produces hard sediments.So sedimentation is achieved by putting a ball for ink agitation into the ink reservoir of the writing implement. Nevertheless, there is a problem that it is difficult to uniformly discharge the ink despite having a structure capable of re-stirring.
【０００３】[0003]
【発明が解決しようとする課題】本発明は従来の金イン
キに対する問題点を解決するためのもので、嫌な臭いや
毒性が少なく、多くの筆記面に対する筆記性が良好で、
溶剤と着色剤などと反応して硬い沈降物やガスの発生な
どによる劣化の極めて起こりにくい金用インキ組成物を
提供することを目的とする。SUMMARY OF THE INVENTION The present invention has been made to solve the problems with the conventional gold ink, and has a low unpleasant odor and toxicity, and has good writing properties on many writing surfaces.
It is an object of the present invention to provide a gold ink composition that hardly deteriorates due to generation of hard precipitates or gas by reacting with a solvent and a coloring agent.
【０００４】[0004]
【課題を解決するための手段】本発明者は、上記の課題
を解決するため種々検討を重ねた結果、着色剤として真
鍮粉、溶剤としてエタノールを主成分として含む溶剤を
用い、また、分散剤としてアルデヒド樹脂及び／又はケ
トン樹脂を用いることにより、上記の目的を達成するこ
とを見出し、本発明を完成するに至った。As a result of various studies to solve the above-mentioned problems, the present inventor has used brass powder as a coloring agent, a solvent containing ethanol as a main component as a solvent, and a dispersant. By using an aldehyde resin and / or a ketone resin as the above, it has been found that the above-mentioned object is achieved, and the present invention has been completed.
【０００５】本発明の金用インキ組成物は、真鍮粉、エ
タノール、およびアルデヒド樹脂、ケトン樹脂またはア
ルデヒト樹脂とケトン樹脂を含有してなるエタノール性
であることを特徴とする。[0005] The gold ink composition of the present invention is characterized by being ethanolic containing brass powder, ethanol, and an aldehyde resin, a ketone resin or an aldehyde resin and a ketone resin.
【０００６】本発明のインキ組成物に用いる真鍮粉は、
市販品の真鍮粉を用いることができるが、平均粒径１５
μｍ以下のものが好ましい。平均粒径が１５μｍ以上だ
と筆記に用いる繊維芯などの細管を通過しにくくなるた
めである。含有量は、特に制限はなく所望の色相、濃度
に適した量であれば良いが、好ましくは１０〜５０重量
％である。[0006] The brass powder used in the ink composition of the present invention is:
Commercially available brass powder can be used, but the average particle size is 15
Those having a size of μm or less are preferred. When the average particle size is 15 μm or more, it is difficult to pass through a thin tube such as a fiber core used for writing. The content is not particularly limited and may be an amount suitable for a desired hue and concentration, but is preferably 10 to 50% by weight.
【０００７】本発明のインキ組成物に用いるエタノール
は、溶剤の主成分となり、溶剤全部の９５％以上含むの
が好ましく、比較的毒性が少なく、インキの速乾性に効
果を示す。他の溶剤をエタノールの白化防止剤、筆記部
の乾燥抑制剤としてや分散を安定させる目的などで少量
含有しても構わない。その溶剤としてプロピルアルコー
ル、ベンジルアルコール、乳酸エチルなどをあげること
ができる。[0007] Ethanol used in the ink composition of the present invention is a main component of the solvent and preferably contains 95% or more of the entire solvent, has relatively low toxicity, and has an effect on quick drying of the ink. A small amount of another solvent may be contained as a whitening inhibitor for ethanol, a drying inhibitor for the writing portion, or for the purpose of stabilizing the dispersion. Examples of the solvent include propyl alcohol, benzyl alcohol, and ethyl lactate.
【０００８】本発明のインキ組成物に用いるアルデヒド
樹脂とケトン樹脂は、真鍮粒子表面を劣化させるような
反応やエタノールと真鍮の反応によるガスの発生も抑制
し安定に分散させるものであり、着色剤の分散剤として
の効果を示す。具体例としてはＢＡＳＦ社製：ラロパー
ルＡ１０１、ラロパールＡ８１、荒川化学工業社製：ケ
トンレジンＫ９０、日立化成工業製：ハイラック１１０
Ｈなどが挙げられる。その含有量は真鍮粉など顔料分に
対して１０重量％以上が望ましく、１０重量％未満だと
充分な分散性をえられない。The aldehyde resin and the ketone resin used in the ink composition of the present invention are those that suppress the generation of gas due to the reaction that degrades the surface of the brass particles or the reaction between ethanol and brass and disperse them stably. Shows the effect as a dispersant. Specific examples include BASF: Laropearl A101 and Laropearl A81, Arakawa Chemical Industries, Ltd .: Ketone Resin K90, Hitachi Chemical: Hilac 110.
H and the like. Its content is preferably at least 10% by weight based on the pigment content such as brass powder, and if it is less than 10% by weight, sufficient dispersibility cannot be obtained.
【０００９】本発明のインキ組成物にあっては、上述し
た各成分以外に、増粘剤（粘度調整剤）、顔料、染料な
どの一般的な添加物を必要に応じて適宜配合しても差し
支えない。In the ink composition of the present invention, in addition to the above-mentioned components, general additives such as a thickener (viscosity modifier), a pigment, a dye and the like may be appropriately compounded as necessary. No problem.
【００１０】本発明のインキ組成物において、アルデヒ
ド樹脂および／またケトン樹脂以外のものを分散剤とし
て用いると主溶剤であるエタノールが油性溶剤と水との
中間的構造のため分散が困難であると同時に金属粒子と
エタノールあるいは金属粒子と分散剤との相互作用によ
り経時劣化の問題が生じてしまう。しかし、本発明に使
用するアルデヒド樹脂及び／又はケトン樹脂を添加する
と真鍮粒子と樹脂の相互作用などによるインキの経時劣
化を引き起こすことなしに真鍮粒子を分散することが可
能となる。その理由は定かではないが、粒子と樹脂の吸
着力およびエタノールと樹脂の親和力に対し、アルデヒ
ド樹脂とケトン樹脂が適切な分子構造を有しており分散
安定性を向上させ、要求されるインキ性能を安定させる
ためと考えられる。In the ink composition of the present invention, if a compound other than an aldehyde resin and / or a ketone resin is used as a dispersant, it is difficult to disperse ethanol as a main solvent due to an intermediate structure between an oily solvent and water. At the same time, the interaction between the metal particles and ethanol or between the metal particles and the dispersant causes a problem of deterioration over time. However, the addition of the aldehyde resin and / or ketone resin used in the present invention makes it possible to disperse the brass particles without causing the ink to deteriorate with time due to the interaction between the brass particles and the resin. Although the reason is not clear, the aldehyde resin and ketone resin have an appropriate molecular structure for the adsorption power between the particles and the resin and the affinity between ethanol and the resin, improving the dispersion stability and improving the required ink performance. It is considered to stabilize.
【００１１】[0011]
【実施例】本発明のインキ組成物を実施例と比較例にて
説明する。実施例、比較例で得られたメタリックカラー
用インキの性能はつぎの方法で評価した。 臭い・毒性：各溶剤系の臭い・毒性を対比比較。 筆 記 性：描線筆記後の被筆記物の状態を目視にて観
察。 乾 燥 性：インキを筆記具に仕立て、筆記した描線の
乾燥するまでの時間を比較（２５℃，６５％）。 分 散 性：インキの初期の分散状態を観察。 分散安定性：インキを長時間放置（室温）した後の顔料
の沈降状態の観察。 インキ経時劣化：インキを５０℃恒温槽中に放置した時
のガスの発生や色相の変化等の劣化の度合を評価。 それぞれの性能の評価は、特に良好は◎、良好は○、や
や劣る△、劣るは×で示した。EXAMPLES The ink composition of the present invention will be described with reference to Examples and Comparative Examples. The performance of the metallic color inks obtained in Examples and Comparative Examples was evaluated by the following methods. Odor / toxicity: Comparison of odor / toxicity of each solvent system. Writability: Visual observation of the state of the object after drawing. Drying property: The ink was prepared into a writing instrument, and the time taken to dry the drawn lines was compared (25 ° C, 65%). Dispersibility: Observe the initial dispersion of the ink. Dispersion stability: Observation of the sedimentation state of the pigment after leaving the ink for a long time (room temperature). Ink aging deterioration: The degree of deterioration such as generation of gas and change in hue when the ink was left in a 50 ° C constant temperature bath was evaluated. The evaluation of each performance was indicated by 特 に for particularly good, ○ for good, △ for slightly poor, and × for poor.
【００１２】（実施例１） ・ブロンズ粉（No．7770、福田金属箔工業（株）製） ２０．０（部） ・アルデヒド樹脂（ラロパールA101、BASF（株）製） ３０．０ ・エタノール ５０．０ 上記組成をかくはん型混合機にて４０分間混合分散して
金色のエタノール性金用インキ組成物を調製した。性能
評価を表１に示す。(Example 1) Bronze powder (No. 7770, manufactured by Fukuda Metal Foil Industry Co., Ltd.) 20.0 (parts) Aldehyde resin (Lalopearl A101, manufactured by BASF Corporation) 30.0 Ethanol 50 The above composition was mixed and dispersed in an agitating mixer for 40 minutes to prepare a golden ethanol ink composition for gold. Table 1 shows the performance evaluation.
【００１３】（実施例２） ・ブロンズ粉（No．7770、福田金属箔工業（株）製） ２０．０（部） ・アルデヒド樹脂（ラロパールA101、BASF（株）製） ５．０ ・ケトン樹脂（ハイラック110H、日立化成工業（株）製） ２０．０ ・エタノール ５５．０ 上記組成を実施例１と同様にして、金色のエタノール性
金用インキ組成物を調製した。性能評価を表１に示す。(Example 2) Bronze powder (No. 7770, manufactured by Fukuda Metal Foil Industry Co., Ltd.) 20.0 (parts) Aldehyde resin (Lalopearl A101, manufactured by BASF Corporation) 5.0 Ketone resin (Hilac 110H, manufactured by Hitachi Chemical Co., Ltd.) 20.0. Ethanol 55.0 A gold-colored ethanolic gold ink composition was prepared in the same manner as in Example 1 above. Table 1 shows the performance evaluation.
【００１４】（比較例１） ・ブロンズ粉（No．7770、福田金属箔工業（株）製） ２０．０（部） ・クマロン樹脂 ３０．０ （日鉄クマロン V-120、日鉄化学工業（株）製） ・脂肪族アミド ０．２ ・キシレン ５３．０ ・酢酸ｎブチル ２０．０ ・防錆剤（キレスライト，Ｗ−９，キレスト化学） ０．０１ 上記組成を実施例１と同様にして金用インキ組成物を調
製した。性能評価を表１に示す。(Comparative Example 1) Bronze powder (No. 7770, manufactured by Fukuda Metal Foil Industry Co., Ltd.) 20.0 (parts) Coumarone resin 30.0 (Nippon Steel Coumaron V-120, Nippon Steel Chemical Co., Ltd.) -Aliphatic amide 0.2-Xylene 53.0-Nbutyl acetate 20.0-Rust inhibitor (Kireslite, W-9, Kyrest Chemical Co.) 0.01 The above composition is the same as in Example 1. A gold ink composition was prepared. Table 1 shows the performance evaluation.
【００１５】（比較例２） ・ブロンス粉（No．7770、福田金属箔工業（株）製） ２０．０（部） ・フェノール樹脂（タマノル510 、荒川化学工業（株）製） ５．０ ・ケトン樹脂（ハイラック110H、日立化成工業（株）製） ２０．０ ・エタノール ５５．０ 上記組成を比較例１と同様にして、その結果を表１に示
す。(Comparative Example 2) Bronze powder (No. 7770, manufactured by Fukuda Metal Foil Industry Co., Ltd.) 20.0 (parts) Phenol resin (Tamanor 510, Arakawa Chemical Industry Co., Ltd.) 5.0 Ketone resin (Hilac 110H, manufactured by Hitachi Chemical Co., Ltd.) 20.0.Ethanol 55.0 The above composition was the same as in Comparative Example 1, and the results are shown in Table 1.
【００１６】（比較例３） ・アルミペースト １０．０部 ・ジアゾ系黄色顔料 １５．０ ・アゾ系赤色顔料 ５．０ ・アクリルエマルジョン ２５．０ ・ノリオン系湿潤剤（ ハイオニックOE-90 、サンノプコ社製） １．０ ・ポリビニルアルコール ０．５ ・水 ４４．０ 上記組成を比較例１と同様にして、その結果を表１に示
す。(Comparative Example 3) Aluminum paste 10.0 parts Diazo yellow pigment 15.0 Azo red pigment 5.0 Acrylic emulsion 25.0 Norion wetting agent (Hionic OE-90, San Nopco 1.0. Polyvinyl alcohol 0.5. Water 44.0 The above composition was the same as in Comparative Example 1, and the results are shown in Table 1.
【００１７】[0017]
【表１】 ◎は特に良好、○は良好、△はやや劣る、×は劣るをそ
れぞれ示す。[Table 1] ◎ indicates particularly good, は indicates good, △ indicates slightly poor, and × indicates poor.
【００１８】[0018]
【発明の効果】本発明のエタノール製金用インキ組成物
は、着色剤として真鍮粉、溶剤としてエタノール、分散
剤としてアルデヒド樹脂および／またはケトン樹脂を用
いることを特徴とする。そのため、本発明のインキ組成
物は、嫌な臭いや毒性が少なく、多くの筆記面に対する
筆記性が良好で、エタノールを使用しても硬い沈降物や
ガスの発生などによる劣化が極めて起りにくい。The ethanol ink composition of the present invention is characterized by using brass powder as a coloring agent, ethanol as a solvent, and an aldehyde resin and / or a ketone resin as a dispersant. Therefore, the ink composition of the present invention has a low unpleasant odor and toxicity, has good writing properties on many writing surfaces, and is hardly deteriorated even by using ethanol due to generation of hard sediment or gas.
Claims (1)
樹脂、ケトン樹脂またはアルデヒド樹脂とケトン樹脂を
含有してなることを特徴とするエタノール性金用インキ
組成物。1. An ink composition for ethanolic gold, comprising brass powder, ethanol, and an aldehyde resin, a ketone resin or an aldehyde resin and a ketone resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14409491A JP2991810B2 (en) | 1991-05-21 | 1991-05-21 | Ethanol gold ink composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14409491A JP2991810B2 (en) | 1991-05-21 | 1991-05-21 | Ethanol gold ink composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04342776A JPH04342776A (en) | 1992-11-30 |
| JP2991810B2 true JP2991810B2 (en) | 1999-12-20 |
Family
ID=15354073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14409491A Expired - Fee Related JP2991810B2 (en) | 1991-05-21 | 1991-05-21 | Ethanol gold ink composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2991810B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2902165B2 (en) * | 1991-07-12 | 1999-06-07 | 三菱鉛筆株式会社 | Alcoholic marking pen ink composition |
| US7211135B2 (en) | 2004-03-16 | 2007-05-01 | Nanogate Coating Systems Gmbh | Writable and printable colloidal gold solution |
-
1991
- 1991-05-21 JP JP14409491A patent/JP2991810B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04342776A (en) | 1992-11-30 |
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