GB702255A - Improvements in mixed grain photographic emulsions and sensitive materials employingthem - Google Patents
Improvements in mixed grain photographic emulsions and sensitive materials employingthemInfo
- Publication number
- GB702255A GB702255A GB18311/52A GB1831152A GB702255A GB 702255 A GB702255 A GB 702255A GB 18311/52 A GB18311/52 A GB 18311/52A GB 1831152 A GB1831152 A GB 1831152A GB 702255 A GB702255 A GB 702255A
- Authority
- GB
- United Kingdom
- Prior art keywords
- grains
- sensitized
- silver halide
- dyes
- dye
- 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
- 239000000839 emulsion Substances 0.000 title abstract 4
- 239000000463 material Substances 0.000 title 1
- 239000000975 dye Substances 0.000 abstract 5
- 230000001235 sensitizing effect Effects 0.000 abstract 3
- 229910052709 silver Inorganic materials 0.000 abstract 3
- 239000004332 silver Substances 0.000 abstract 3
- -1 silver halide Chemical class 0.000 abstract 3
- 108010010803 Gelatin Proteins 0.000 abstract 1
- 230000009102 absorption Effects 0.000 abstract 1
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 238000009792 diffusion process Methods 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
- AJDUTMFFZHIJEM-UHFFFAOYSA-N n-(9,10-dioxoanthracen-1-yl)-4-[4-[[4-[4-[(9,10-dioxoanthracen-1-yl)carbamoyl]phenyl]phenyl]diazenyl]phenyl]benzamide Chemical compound O=C1C2=CC=CC=C2C(=O)C2=C1C=CC=C2NC(=O)C(C=C1)=CC=C1C(C=C1)=CC=C1N=NC(C=C1)=CC=C1C(C=C1)=CC=C1C(=O)NC1=CC=CC2=C1C(=O)C1=CC=CC=C1C2=O AJDUTMFFZHIJEM-UHFFFAOYSA-N 0.000 abstract 1
- 230000003595 spectral effect Effects 0.000 abstract 1
- 238000001228 spectrum Methods 0.000 abstract 1
- 239000001043 yellow dye Substances 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
- G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
- G03C7/30—Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
- G03C7/3041—Materials with specific sensitometric characteristics, e.g. gamma, density
-
- 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
- G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
- G03C1/08—Sensitivity-increasing substances
- G03C1/10—Organic substances
- G03C1/12—Methine and polymethine dyes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US57592A US2592243A (en) | 1948-10-30 | 1948-10-30 | Method of selectively exposing the grains of a mixed grain photographic emulsion |
Publications (1)
Publication Number | Publication Date |
---|---|
GB702255A true GB702255A (en) | 1954-01-13 |
Family
ID=22011554
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB27762/49A Expired GB702200A (en) | 1948-10-30 | 1949-10-29 | Improvements in mixed grain colour photography |
GB18311/52A Expired GB702255A (en) | 1948-10-30 | 1949-10-29 | Improvements in mixed grain photographic emulsions and sensitive materials employingthem |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB27762/49A Expired GB702200A (en) | 1948-10-30 | 1949-10-29 | Improvements in mixed grain colour photography |
Country Status (4)
Country | Link |
---|---|
US (1) | US2592243A (enrdf_load_html_response) |
BE (1) | BE491769A (enrdf_load_html_response) |
FR (1) | FR1017762A (enrdf_load_html_response) |
GB (2) | GB702200A (enrdf_load_html_response) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2676103A (en) * | 1950-03-18 | 1954-04-20 | Fr Corp | Process and composition for use in color photography |
BE514795A (enrdf_load_html_response) * | 1951-10-17 | |||
DE1113873B (de) * | 1959-01-17 | 1961-09-14 | Wolfen Filmfab Veb | Verfahren zur Sensibilisierung von Halogensilberemulsionen |
US3992210A (en) * | 1973-06-05 | 1976-11-16 | E. I. Du Pont De Nemours And Company | Silver halide films with controlled gradient balance |
IT1018702B (it) * | 1974-06-26 | 1977-10-20 | Minnesota Mining & Mfg | Copulanti fotografici pivalilaceta nilidici elementi fotografici che comprendono tali copulanti e.o i co loranti formati per sviluppo cromo geno di detti copulanti e metodo per formare una immagine fotografi ca a coloranti in presenza di det ti copulanti |
GB9626281D0 (en) * | 1996-12-18 | 1997-02-05 | Kodak Ltd | Photographic high contrast silver halide material |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1980941A (en) * | 1927-11-12 | 1934-11-13 | Leopold D Mannes | Color photography |
US2320418A (en) * | 1935-06-22 | 1943-06-01 | Gen Aniline & Film Corp | Color photographs |
GB507841A (en) * | 1937-11-19 | 1939-06-19 | Kodak Ltd | Process of producing coloured images in multilayer photographic elements |
GB540444A (en) * | 1940-01-11 | 1941-10-17 | Eastman Kodak Co | Improvements in colour photography and materials therefor |
US2318597A (en) * | 1941-01-03 | 1943-05-11 | Eastman Kodak Co | Photographic printing material |
-
0
- BE BE491769D patent/BE491769A/xx unknown
-
1948
- 1948-10-30 US US57592A patent/US2592243A/en not_active Expired - Lifetime
-
1949
- 1949-10-28 FR FR1017762D patent/FR1017762A/fr not_active Expired
- 1949-10-29 GB GB27762/49A patent/GB702200A/en not_active Expired
- 1949-10-29 GB GB18311/52A patent/GB702255A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2592243A (en) | 1952-04-08 |
GB702200A (en) | 1954-01-13 |
FR1017762A (fr) | 1952-12-18 |
BE491769A (enrdf_load_html_response) |
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