GB1432000A - Recovery of materials from photographic film - Google Patents
Recovery of materials from photographic filmInfo
- Publication number
- GB1432000A GB1432000A GB5225173A GB5225173A GB1432000A GB 1432000 A GB1432000 A GB 1432000A GB 5225173 A GB5225173 A GB 5225173A GB 5225173 A GB5225173 A GB 5225173A GB 1432000 A GB1432000 A GB 1432000A
- Authority
- GB
- United Kingdom
- Prior art keywords
- photographic film
- recovery
- materials
- solution
- polyethylene terephthalate
- 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
Links
- 238000011084 recovery Methods 0.000 title 1
- -1 Polyethylene terephthalate Polymers 0.000 abstract 3
- 229920000139 polyethylene terephthalate Polymers 0.000 abstract 2
- 239000005020 polyethylene terephthalate Substances 0.000 abstract 2
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 abstract 1
- 108010010803 Gelatin Proteins 0.000 abstract 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 239000000470 constituent Substances 0.000 abstract 1
- 239000000839 emulsion Substances 0.000 abstract 1
- 150000002148 esters Chemical class 0.000 abstract 1
- 125000002573 ethenylidene group Chemical group [*]=C=C([H])[H] 0.000 abstract 1
- 229920000159 gelatin Polymers 0.000 abstract 1
- 239000008273 gelatin Substances 0.000 abstract 1
- 235000019322 gelatine Nutrition 0.000 abstract 1
- 235000011852 gelatine desserts Nutrition 0.000 abstract 1
- 229920000728 polyester Polymers 0.000 abstract 1
- 229910052709 silver Inorganic materials 0.000 abstract 1
- 239000004332 silver Substances 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- 229920001897 terpolymer Polymers 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C11/00—Auxiliary processes in photography
- G03C11/24—Removing emulsion from waste photographic material; Recovery of photosensitive or other substances
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/582—Recycling of unreacted starting or intermediate materials
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
1432000 Recovering constituents from polyester based photographic film HORIZONS RESEARCH INC 9 Nov 1973 52251/73 Heading B2E [Also in Division C3] Polyethylene terephthalate film is coated by applying thereto a 2-5% solution of (S) a (vinylidene or vinyl chloride)/acrylonitrile/(unsaturated acid or ester) terpolymer, the solution having been produced by contacting with solvent a photographic film comprising polyethylene terephthalate film base, a subbing layer of (S) and a gelatin/silver halide emulsion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5225173A GB1432000A (en) | 1973-11-09 | 1973-11-09 | Recovery of materials from photographic film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5225173A GB1432000A (en) | 1973-11-09 | 1973-11-09 | Recovery of materials from photographic film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1432000A true GB1432000A (en) | 1976-04-14 |
Family
ID=10463202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5225173A Expired GB1432000A (en) | 1973-11-09 | 1973-11-09 | Recovery of materials from photographic film |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1432000A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4427097A1 (en) * | 1994-07-30 | 1996-02-01 | Bluetech Gmbh | Conversion of used photographic film into large format transparent film |
| US5523329A (en) * | 1991-07-01 | 1996-06-04 | Wellman, Inc. | Recovery of polyester from spent film |
| EP0837364A1 (en) * | 1996-10-15 | 1998-04-22 | Serf S.r.l. | A process for the treatment and recovery of materials from the production and development of photographic and x-ray films |
| EP1750174A1 (en) | 2005-08-04 | 2007-02-07 | Heinz-Jürgen Külps | Process for the recovery of materials from waste photographic material |
-
1973
- 1973-11-09 GB GB5225173A patent/GB1432000A/en not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5523329A (en) * | 1991-07-01 | 1996-06-04 | Wellman, Inc. | Recovery of polyester from spent film |
| US5665784A (en) * | 1991-07-01 | 1997-09-09 | Wellman, Inc. | Recovery of polyester from spent film |
| DE4427097A1 (en) * | 1994-07-30 | 1996-02-01 | Bluetech Gmbh | Conversion of used photographic film into large format transparent film |
| EP0837364A1 (en) * | 1996-10-15 | 1998-04-22 | Serf S.r.l. | A process for the treatment and recovery of materials from the production and development of photographic and x-ray films |
| EP1750174A1 (en) | 2005-08-04 | 2007-02-07 | Heinz-Jürgen Külps | Process for the recovery of materials from waste photographic material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |