FR1087759A - Photographic inversion process and new products for its implementation - Google Patents
Photographic inversion process and new products for its implementationInfo
- Publication number
- FR1087759A FR1087759A FR1087759DA FR1087759A FR 1087759 A FR1087759 A FR 1087759A FR 1087759D A FR1087759D A FR 1087759DA FR 1087759 A FR1087759 A FR 1087759A
- Authority
- FR
- France
- Prior art keywords
- photographic
- implementation
- new 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
- G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
- G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
- G03C5/50—Reversal development; Contact processes
-
- 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
- G03C1/48546—Direct positive emulsions non-prefogged, i.e. fogged after imagewise exposure characterised by the nucleating/fogging agent
- G03C1/48561—Direct positive emulsions non-prefogged, i.e. fogged after imagewise exposure characterised by the nucleating/fogging agent hydrazine compounds
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US159150A US2563785A (en) | 1950-04-29 | 1950-04-29 | Direct positive photographs from hydrazine-containing developers |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1087759A true FR1087759A (en) | 1955-02-28 |
Family
ID=22571289
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1087759D Expired FR1087759A (en) | 1950-04-29 | 1951-04-28 | Photographic inversion process and new products for its implementation |
Country Status (5)
Country | Link |
---|---|
US (1) | US2563785A (en) |
BE (1) | BE502879A (en) |
DE (1) | DE877548C (en) |
FR (1) | FR1087759A (en) |
GB (1) | GB702162A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0254280A2 (en) * | 1986-07-22 | 1988-01-27 | Fuji Photo Film Co., Ltd. | Method for processing silver halide color photographic material |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2588982A (en) * | 1950-10-26 | 1952-03-11 | Eastman Kodak Co | Direct positive photographs using hydrazine in the emulsion |
BE512294A (en) * | 1951-06-27 | |||
US2706157A (en) * | 1951-07-21 | 1955-04-12 | Grant Photo Products Inc | Processing photographic paper and film |
BE636671A (en) * | 1960-05-13 | |||
GB1195837A (en) * | 1966-10-24 | 1970-06-24 | Agfa Gevaert Nv | Method of Producing Photographic Images |
JPS5115745B1 (en) * | 1971-03-26 | 1976-05-19 | ||
US3917485A (en) * | 1973-01-18 | 1975-11-04 | Eastman Kodak Co | Method of making photographic silver halide emulsions and products thereof |
US4030925A (en) * | 1975-08-06 | 1977-06-21 | Eastman Kodak Company | Photographic compositions and elements including internal latent image silver halide grains and acylhydrazinophenylthiourea nucleating agents therefor |
US4031127A (en) * | 1975-08-06 | 1977-06-21 | Eastman Kodak Company | Acyl hydrazino thiourea derivatives as photographic nucleating agents |
US4030920A (en) * | 1976-04-12 | 1977-06-21 | Eastman Kodak Company | Processing compositions containing glycols for color transfer processes comprising direct positive silver halide developement |
US4080207A (en) * | 1976-06-29 | 1978-03-21 | Eastman Kodak Company | Radiation-sensitive compositions and photographic elements containing N-(acylhydrazinophenyl) thioamide nucleating agents |
JPS5814664B2 (en) * | 1976-12-30 | 1983-03-22 | 富士写真フイルム株式会社 | Processing method for silver halide photographic materials |
JPS6055820B2 (en) * | 1979-03-26 | 1985-12-06 | コニカ株式会社 | Direct positive silver halide photographic material |
JPS55138742A (en) * | 1979-04-17 | 1980-10-29 | Fuji Photo Film Co Ltd | Silver halide emulsion developing method |
JPS59201049A (en) * | 1983-04-30 | 1984-11-14 | Konishiroku Photo Ind Co Ltd | Method for forming positive type image |
US4478928A (en) * | 1983-05-11 | 1984-10-23 | Eastman Kodak Company | Application of activated arylhydrazides to silver halide photography |
US4459347A (en) * | 1983-05-11 | 1984-07-10 | Eastman Kodak Company | Adsorbable arylhydrazides and applications thereof to silver halide photography |
US4560638A (en) * | 1984-10-09 | 1985-12-24 | Eastman Kodak Company | Halftone imaging silver halide emulsions, photographic elements, and processes which employ novel arylhydrazides |
US4661438A (en) | 1985-04-04 | 1987-04-28 | Eastman Kodak Company | Quaternized tellurium salt fog inhibiting agents for silver halide photography |
DE3681347D1 (en) | 1985-05-31 | 1991-10-17 | Konishiroku Photo Ind | METHOD FOR PRODUCING A DIRECTLY POSITIVE COLOR IMAGE. |
US4937160A (en) * | 1988-08-27 | 1990-06-26 | E. I. Du Pont De Nemours And Company | Photographic silver halide elements containing aryl hydrazides |
US5190847A (en) * | 1990-02-26 | 1993-03-02 | E. I. Du Pont De Nemours And Company | Photographic silver halide materials containing aryl hydrazides |
EP0603433A1 (en) * | 1992-12-22 | 1994-06-29 | Agfa-Gevaert N.V. | Method of making direct-positive images |
EP0754967A1 (en) | 1995-07-14 | 1997-01-22 | Agfa-Gevaert N.V. | Photographic direct positive material containing a particular stabilizer |
JP2003026651A (en) * | 2001-07-09 | 2003-01-29 | Japan Hydrazine Co Inc | Dihydrazide sulfosuccinate and method for manufacturing the same |
-
0
- BE BE502879D patent/BE502879A/xx unknown
-
1950
- 1950-04-29 US US159150A patent/US2563785A/en not_active Expired - Lifetime
-
1951
- 1951-04-28 FR FR1087759D patent/FR1087759A/en not_active Expired
- 1951-04-29 DE DEE3674A patent/DE877548C/en not_active Expired
- 1951-04-30 GB GB10145/51A patent/GB702162A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0254280A2 (en) * | 1986-07-22 | 1988-01-27 | Fuji Photo Film Co., Ltd. | Method for processing silver halide color photographic material |
EP0254280B1 (en) * | 1986-07-22 | 1993-12-29 | Fuji Photo Film Co., Ltd. | Method for processing silver halide color photographic material |
Also Published As
Publication number | Publication date |
---|---|
BE502879A (en) | |
US2563785A (en) | 1951-08-07 |
GB702162A (en) | 1954-01-13 |
DE877548C (en) | 1953-05-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR1087759A (en) | Photographic inversion process and new products for its implementation | |
FR1089934A (en) | Photographic reproduction process and new products obtained | |
FR1170223A (en) | Process for increasing the sensitivity of photosensitive emulsions and new products for its implementation | |
FR1143079A (en) | Homogenization and extrusion process and apparatus for its implementation | |
FR1138740A (en) | Electrodialysis process and apparatus for its implementation | |
CH299872A (en) | Process for manufacturing a capsule and apparatus for implementing this process. | |
FR1102942A (en) | Photographic reproduction process and new products for its implementation | |
FR1169087A (en) | Process for the permanent dyeing of keratin materials and products intended for its use | |
FR1086269A (en) | Process for obtaining high polymers which can be used in particular in photography and new products obtained | |
CH302854A (en) | Process for the manufacture of ceramic products and machine for the implementation of this process. | |
FR1097212A (en) | Process for preparing photographic emulsions and new products obtained | |
FR1156831A (en) | Photographic reproduction process and products for its implementation | |
CH400766A (en) | Photographic process and photographic product for the implementation of this process | |
FR1078936A (en) | Photographic inversion process and products that can be used for its implementation | |
FR65219E (en) | Photographic inversion process and new products for its implementation | |
CH290825A (en) | Process for the manufacture of glass and apparatus for carrying out this process. | |
FR1206643A (en) | Photographic reproduction process and new products for its implementation | |
CH292861A (en) | Process for the production of uranium and apparatus for carrying out this process. | |
FR1034943A (en) | Process for the improvement of plastics and products obtained by the implementation of this process | |
FR1174787A (en) | New photographic reproduction process and new photosensitive products for the implementation of this process | |
FR1072957A (en) | Process for developing photographic images and new products for its implementation | |
FR1071307A (en) | Method and apparatus for the manufacture of concrete products | |
FR1088436A (en) | Improvements relating to centrifugal and mold casting for the implementation of the process | |
FR980533A (en) | Improved process of photographic development and new developers for the implementation of this process | |
FR1026113A (en) | Method and devices for making glass birefringent and new products obtuse |