US1799851A - Chromium plating by electrolytic deposition - Google Patents
Chromium plating by electrolytic deposition Download PDFInfo
- Publication number
- US1799851A US1799851A US327749A US32774928A US1799851A US 1799851 A US1799851 A US 1799851A US 327749 A US327749 A US 327749A US 32774928 A US32774928 A US 32774928A US 1799851 A US1799851 A US 1799851A
- Authority
- US
- United States
- Prior art keywords
- chromium plating
- electrolytic deposition
- electrolytic
- chromium
- bath
- 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 - Lifetime
Links
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title description 5
- 229910052804 chromium Inorganic materials 0.000 title description 5
- 239000011651 chromium Substances 0.000 title description 5
- 230000008021 deposition Effects 0.000 title description 2
- 238000007747 plating Methods 0.000 title description 2
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 2
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 description 2
- KIEOKOFEPABQKJ-UHFFFAOYSA-N sodium dichromate Chemical compound [Na+].[Na+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KIEOKOFEPABQKJ-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000004532 chromating Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/04—Electroplating: Baths therefor from solutions of chromium
Definitions
- Patented 7, 193 1 g i UNITED STATES PATENT OFFICE aueus'm 30mm, or rams, armors, assmuon 'ro socm'rit NOUVELLE DE LORFEVREBIE DEBC'UIB, OF PARIS, FRANCE, A CORPORATION OF IBANQE CHBOHIUH PLATIN G BY ELECTROLYTIC DEPOSITION No Drawing. Application ma December 21, 1928,8er1a1 No. 387,749, and in Iranee January 12, 1088.
- the present invention relates to chromating by electrolytic depositionyand it consists in arranging the body tobe coated at the cathode of an electrolytic bath composed of 5 an aqueous solution of sodium bichromate,
- The'proportions of the substances which enter into the composition of the bath should not difier substantially from the following, 1 which aregiven, by way of example, for a 100-liter bath:
- a bath for chromium plating conductive bodies by electrolytic degpsition comprising sodium ichromate, 25 'lograms' chromic acid, 15 kilograms; and chromium iiuoborate, 900 grams. go. 3 AUGUSTE HOLLARD.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electroplating And Plating Baths Therefor (AREA)
Description
Patented 7, 193 1 g i UNITED STATES PATENT OFFICE aueus'm 30mm, or rams, armors, assmuon 'ro socm'rit NOUVELLE DE LORFEVREBIE DEBC'UIB, OF PARIS, FRANCE, A CORPORATION OF IBANQE CHBOHIUH PLATIN G BY ELECTROLYTIC DEPOSITION No Drawing. Application ma December 21, 1928,8er1a1 No. 387,749, and in Iranee January 12, 1088.
The present invention relates to chromating by electrolytic depositionyand it consists in arranging the body tobe coated at the cathode of an electrolytic bath composed of 5 an aqueous solution of sodium bichromate,
chromic acid and chromium fiuoborate.
The'proportions of the substances which enter into the composition of the bath should not difier substantially from the following, 1 which aregiven, by way of example, for a 100-liter bath:
Sodium bichromate r 25 kgs Ghromic acid kgs. Chromium fiuoborate 900 grs.
A bath for chromium plating conductive bodies by electrolytic degpsition comprising sodium ichromate, 25 'lograms' chromic acid, 15 kilograms; and chromium iiuoborate, 900 grams. go. 3 AUGUSTE HOLLARD.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR661182T | 1928-01-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US1799851A true US1799851A (en) | 1931-04-07 |
Family
ID=9010712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US327749A Expired - Lifetime US1799851A (en) | 1928-01-12 | 1928-12-21 | Chromium plating by electrolytic deposition |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US1799851A (en) |
| FR (1) | FR661182A (en) |
| GB (1) | GB303884A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2985567A (en) * | 1959-03-16 | 1961-05-23 | Allied Chem | Electrodeposition of black chromium coatings |
| US3021267A (en) * | 1959-10-07 | 1962-02-13 | Du Pont | Plating bath and process |
-
1928
- 1928-01-12 FR FR661182D patent/FR661182A/en not_active Expired
- 1928-12-20 GB GB37663/28A patent/GB303884A/en not_active Expired
- 1928-12-21 US US327749A patent/US1799851A/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2985567A (en) * | 1959-03-16 | 1961-05-23 | Allied Chem | Electrodeposition of black chromium coatings |
| US3021267A (en) * | 1959-10-07 | 1962-02-13 | Du Pont | Plating bath and process |
Also Published As
| Publication number | Publication date |
|---|---|
| GB303884A (en) | 1929-08-29 |
| FR661182A (en) | 1929-07-22 |
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