FR1078936A - Photographic inversion process and products that can be used for its implementation - Google Patents
Photographic inversion process and products that can be used for its implementationInfo
- Publication number
- FR1078936A FR1078936A FR1078936DA FR1078936A FR 1078936 A FR1078936 A FR 1078936A FR 1078936D A FR1078936D A FR 1078936DA FR 1078936 A FR1078936 A FR 1078936A
- Authority
- FR
- France
- Prior art keywords
- photographic
- implementation
- products
- inversion process
- inversion
- 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
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
- G03C1/00—Photosensitive materials
- G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
- G03C1/485—Direct positive emulsions
- G03C1/48538—Direct positive emulsions non-prefogged, i.e. fogged after imagewise exposure
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Photosensitive Polymer And Photoresist Processing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US233774A US2675318A (en) | 1951-06-27 | 1951-06-27 | Hydroquinone monosulfonate in direct positive photographic developers |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1078936A true FR1078936A (en) | 1954-11-24 |
Family
ID=22878637
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1078936D Expired FR1078936A (en) | 1951-06-27 | 1952-06-23 | Photographic inversion process and products that can be used for its implementation |
Country Status (4)
Country | Link |
---|---|
US (1) | US2675318A (en) |
BE (1) | BE512294A (en) |
FR (1) | FR1078936A (en) |
GB (1) | GB712374A (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1047492A (en) * | 1963-01-10 | |||
DE2406515C3 (en) * | 1974-02-12 | 1978-06-15 | Du Pont De Nemours (Deutschland) Gmbh, 4000 Duesseldorf | Photographic material for use in direct positives |
US5770344A (en) | 1995-12-27 | 1998-06-23 | Fuji Photo Film Co., Ltd. | Silver halide photographic light-sensitive material |
US5789139A (en) | 1995-12-27 | 1998-08-04 | Fuji Photo Film Co., Ltd. | Hydrazide compound and silver halide photographic photosensitive material comprising the same |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2572903A (en) * | 1944-06-22 | 1951-10-30 | Gen Aniline & Film Corp | Photographic developer containing thallium salts |
US2458376A (en) * | 1946-03-14 | 1949-01-04 | Eastman Kodak Co | Photographic developer antioxidants |
NL72136C (en) * | 1947-05-22 | |||
US2497875A (en) * | 1947-10-17 | 1950-02-21 | Eastman Kodak Co | Direct positive photographs using aerial fogging developer |
BE502879A (en) * | 1950-04-29 | |||
BE510220A (en) * | 1951-03-28 |
-
0
- BE BE512294D patent/BE512294A/xx unknown
-
1951
- 1951-06-27 US US233774A patent/US2675318A/en not_active Expired - Lifetime
-
1952
- 1952-06-23 FR FR1078936D patent/FR1078936A/en not_active Expired
- 1952-06-27 GB GB16262/52A patent/GB712374A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2675318A (en) | 1954-04-13 |
BE512294A (en) | |
GB712374A (en) | 1954-07-21 |
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