GB1479836A - Photographic material for producing direct positives - Google Patents
Photographic material for producing direct positivesInfo
- Publication number
- GB1479836A GB1479836A GB6008/75A GB600875A GB1479836A GB 1479836 A GB1479836 A GB 1479836A GB 6008/75 A GB6008/75 A GB 6008/75A GB 600875 A GB600875 A GB 600875A GB 1479836 A GB1479836 A GB 1479836A
- Authority
- GB
- United Kingdom
- Prior art keywords
- developer
- film base
- direct positive
- emulsion
- hydroquinone
- 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
- 239000000463 material Substances 0.000 title abstract 4
- 239000000839 emulsion Substances 0.000 abstract 5
- IKQCSJBQLWJEPU-UHFFFAOYSA-N 2,5-dihydroxybenzenesulfonic acid Chemical compound OC1=CC=C(O)C(S(O)(=O)=O)=C1 IKQCSJBQLWJEPU-UHFFFAOYSA-N 0.000 abstract 2
- 239000001828 Gelatine Substances 0.000 abstract 2
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 abstract 2
- YCIMNLLNPGFGHC-UHFFFAOYSA-N catechol Chemical compound OC1=CC=CC=C1O YCIMNLLNPGFGHC-UHFFFAOYSA-N 0.000 abstract 2
- 229920000159 gelatin Polymers 0.000 abstract 2
- 235000019322 gelatine Nutrition 0.000 abstract 2
- QMJDEXCUIQJLGO-UHFFFAOYSA-N [4-(methylamino)phenyl] hydrogen sulfate Chemical compound CNC1=CC=C(OS(O)(=O)=O)C=C1 QMJDEXCUIQJLGO-UHFFFAOYSA-N 0.000 abstract 1
- 239000012190 activator Substances 0.000 abstract 1
- 239000000654 additive Substances 0.000 abstract 1
- 230000000996 additive effect Effects 0.000 abstract 1
- 229910052792 caesium Inorganic materials 0.000 abstract 1
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- FDWREHZXQUYJFJ-UHFFFAOYSA-M gold monochloride Chemical compound [Cl-].[Au+] FDWREHZXQUYJFJ-UHFFFAOYSA-M 0.000 abstract 1
- CMCWWLVWPDLCRM-UHFFFAOYSA-N phenidone Chemical compound N1C(=O)CCN1C1=CC=CC=C1 CMCWWLVWPDLCRM-UHFFFAOYSA-N 0.000 abstract 1
- SONJTKJMTWTJCT-UHFFFAOYSA-K rhodium(iii) chloride Chemical compound [Cl-].[Cl-].[Cl-].[Rh+3] SONJTKJMTWTJCT-UHFFFAOYSA-K 0.000 abstract 1
- 229910052709 silver Inorganic materials 0.000 abstract 1
- 239000004332 silver Substances 0.000 abstract 1
- ADZWSOLPGZMUMY-UHFFFAOYSA-M silver bromide Chemical compound [Ag]Br ADZWSOLPGZMUMY-UHFFFAOYSA-M 0.000 abstract 1
- -1 silver halide Chemical class 0.000 abstract 1
- 239000000126 substance 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
- G03C1/00—Photosensitive materials
- G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
- G03C1/485—Direct positive emulsions
- G03C1/48515—Direct positive emulsions prefogged
-
- 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
- G03C1/42—Developers or their precursors
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2406515A DE2406515C3 (de) | 1974-02-12 | 1974-02-12 | Photographisches Material für die Herstellung von Direktpositiven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1479836A true GB1479836A (en) | 1977-07-13 |
Family
ID=5907134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB6008/75A Expired GB1479836A (en) | 1974-02-12 | 1975-02-12 | Photographic material for producing direct positives |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3993490A (https=) |
| BE (1) | BE825443A (https=) |
| DE (1) | DE2406515C3 (https=) |
| FR (1) | FR2260813B1 (https=) |
| GB (1) | GB1479836A (https=) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2077934A (en) * | 1980-06-05 | 1981-12-23 | Staveley Chemicals Ltd | Photographic solutions containing hydroquinone monosulphonate |
| IL61497A (en) * | 1980-11-16 | 1985-06-30 | Hanetz Photographic Processes | Developer for lith or line films and process for its use |
| JPS58120248A (ja) * | 1982-01-12 | 1983-07-18 | Konishiroku Photo Ind Co Ltd | 直接ポジ画像形成方法 |
| US4863843A (en) * | 1984-10-30 | 1989-09-05 | Mitsubishi Paper Mills, Ltd. | Silver halide photographic emulsion containing predominantly silver bromide |
| JPH0727184B2 (ja) * | 1986-10-27 | 1995-03-29 | 富士写真フイルム株式会社 | 直接ポジカラー画像形成方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE512294A (https=) * | 1951-06-27 | |||
| GB1150553A (en) * | 1965-04-30 | 1969-04-30 | Agfa Gevaert Nv | A Method of Producing Photographic Images |
| US3615517A (en) * | 1968-09-09 | 1971-10-26 | Mary D Illingsworth | Direct-positive silver halide emulsion containing halogen conductor and electron acceptor developed with polyhydroxy benzene |
| US3632340A (en) * | 1968-09-09 | 1972-01-04 | Eastman Kodak Co | Cored direct positive silver halide emulsion developed with polyhydroxybenzene |
| US3690891A (en) * | 1970-07-20 | 1972-09-12 | Eastman Kodak Co | Infrared-sensitized silver halide systems |
| US3816135A (en) * | 1972-03-30 | 1974-06-11 | Du Pont | Direct positive silver halide emulsions through synergistic effects of fogging agents and organic reducing agents and/or their oxidized forms |
-
1974
- 1974-02-12 DE DE2406515A patent/DE2406515C3/de not_active Expired
-
1975
- 1975-02-06 US US05/547,749 patent/US3993490A/en not_active Expired - Lifetime
- 1975-02-10 FR FR7504061A patent/FR2260813B1/fr not_active Expired
- 1975-02-12 GB GB6008/75A patent/GB1479836A/en not_active Expired
- 1975-02-12 BE BE153282A patent/BE825443A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| BE825443A (fr) | 1975-08-12 |
| DE2406515C3 (de) | 1978-06-15 |
| FR2260813B1 (https=) | 1981-09-04 |
| DE2406515B2 (de) | 1977-10-27 |
| US3993490A (en) | 1976-11-23 |
| DE2406515A1 (de) | 1975-08-21 |
| FR2260813A1 (https=) | 1975-09-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |