GB1286044A - Direct positive photographic silver halide emulsions - Google Patents
Direct positive photographic silver halide emulsionsInfo
- Publication number
- GB1286044A GB1286044A GB991/70A GB99170A GB1286044A GB 1286044 A GB1286044 A GB 1286044A GB 991/70 A GB991/70 A GB 991/70A GB 99170 A GB99170 A GB 99170A GB 1286044 A GB1286044 A GB 1286044A
- Authority
- GB
- United Kingdom
- Prior art keywords
- silver halide
- direct positive
- substituted
- alkyl
- halide emulsions
- 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 3
- 229910052709 silver Inorganic materials 0.000 title abstract 3
- 239000004332 silver Substances 0.000 title abstract 3
- -1 silver halide Chemical class 0.000 title abstract 3
- 125000000217 alkyl group Chemical group 0.000 abstract 2
- 125000003710 aryl alkyl group Chemical group 0.000 abstract 2
- 125000001434 methanylylidene group Chemical group [H]C#[*] 0.000 abstract 2
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 abstract 1
- 125000002373 5 membered heterocyclic group Chemical group 0.000 abstract 1
- 125000004070 6 membered heterocyclic group Chemical group 0.000 abstract 1
- 235000010724 Wisteria floribunda Nutrition 0.000 abstract 1
- 150000001450 anions Chemical group 0.000 abstract 1
- 125000003118 aryl group Chemical group 0.000 abstract 1
- 125000000547 substituted alkyl group Chemical group 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
- G03C1/48523—Direct positive emulsions prefogged characterised by the desensitiser
- G03C1/4853—Direct positive emulsions prefogged characterised by the desensitiser polymethine dyes
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)
- Plural Heterocyclic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP44001555A JPS4810644B1 (enrdf_load_stackoverflow) | 1969-01-08 | 1969-01-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1286044A true GB1286044A (en) | 1972-08-16 |
Family
ID=11504755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB991/70A Expired GB1286044A (en) | 1969-01-08 | 1970-01-08 | Direct positive photographic silver halide emulsions |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3615643A (enrdf_load_stackoverflow) |
| JP (1) | JPS4810644B1 (enrdf_load_stackoverflow) |
| DE (1) | DE2000587B2 (enrdf_load_stackoverflow) |
| FR (1) | FR2027921A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1286044A (enrdf_load_stackoverflow) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3970461A (en) * | 1970-10-01 | 1976-07-20 | Fuji Photo Film Co., Ltd. | Fogged, direct-positive silver halide emulsion containing carbocyanine dye having indolenine nucleus |
| US4081281A (en) * | 1972-02-18 | 1978-03-28 | Agfa-Gevaert N.V. | Developing low fogged, direct-positive silver halide emulsion with an energetic developer free from halide ions |
| JPS52102337U (enrdf_load_stackoverflow) * | 1976-01-28 | 1977-08-03 | ||
| US5418124A (en) * | 1992-03-19 | 1995-05-23 | Fuji Photo Film Co. Ltd. | Silver halide photographic emulsion and a photographic light-sensitive material |
| JP2007041376A (ja) | 2005-08-04 | 2007-02-15 | Fujifilm Holdings Corp | ハロゲン化銀感光材料およびそれを包含する包装体 |
-
1969
- 1969-01-08 JP JP44001555A patent/JPS4810644B1/ja active Pending
-
1970
- 1970-01-07 FR FR7000378A patent/FR2027921A1/fr not_active Withdrawn
- 1970-01-08 DE DE19702000587 patent/DE2000587B2/de active Granted
- 1970-01-08 US US1488A patent/US3615643A/en not_active Expired - Lifetime
- 1970-01-08 GB GB991/70A patent/GB1286044A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2000587B2 (de) | 1973-03-29 |
| US3615643A (en) | 1971-10-26 |
| JPS4810644B1 (enrdf_load_stackoverflow) | 1973-04-05 |
| FR2027921A1 (enrdf_load_stackoverflow) | 1970-10-02 |
| DE2000587C3 (enrdf_load_stackoverflow) | 1973-10-11 |
| DE2000587A1 (de) | 1970-07-23 |
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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 |