GB1371366A - Method of forming photographic images - Google Patents
Method of forming photographic imagesInfo
- Publication number
- GB1371366A GB1371366A GB5017571A GB5017571A GB1371366A GB 1371366 A GB1371366 A GB 1371366A GB 5017571 A GB5017571 A GB 5017571A GB 5017571 A GB5017571 A GB 5017571A GB 1371366 A GB1371366 A GB 1371366A
- Authority
- GB
- United Kingdom
- Prior art keywords
- group
- optionally substituted
- hydrazonoalkyl
- formula
- heterocyclic nucleus
- 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
- 125000003545 alkoxy group Chemical group 0.000 abstract 2
- 239000000975 dye Substances 0.000 abstract 2
- 239000000839 emulsion Substances 0.000 abstract 2
- 125000000623 heterocyclic group Chemical group 0.000 abstract 2
- 229910052757 nitrogen Inorganic materials 0.000 abstract 2
- -1 silver halide Chemical class 0.000 abstract 2
- 125000000547 substituted alkyl group Chemical group 0.000 abstract 2
- 229910052717 sulfur Inorganic materials 0.000 abstract 2
- 125000002252 acyl group Chemical group 0.000 abstract 1
- 125000004423 acyloxy group Chemical group 0.000 abstract 1
- 125000004414 alkyl thio group Chemical group 0.000 abstract 1
- 150000001450 anions Chemical group 0.000 abstract 1
- 125000003118 aryl group Chemical group 0.000 abstract 1
- 125000004429 atom Chemical group 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 125000001434 methanylylidene group Chemical group [H]C#[*] 0.000 abstract 1
- 125000004433 nitrogen atom Chemical group N* 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 abstract 1
- 229910052709 silver Inorganic materials 0.000 abstract 1
- 239000004332 silver Substances 0.000 abstract 1
- 125000003107 substituted aryl group Chemical group 0.000 abstract 1
- 125000001382 thioacetal 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
- G03C1/48538—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
-
- 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
- G03C1/48584—Direct positive emulsions non-prefogged, i.e. fogged after imagewise exposure spectrally sensitised
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)
- Plural Heterocyclic Compounds (AREA)
- Photosensitive Polymer And Photoresist Processing (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US8570570A | 1970-10-30 | 1970-10-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1371366A true GB1371366A (en) | 1974-10-23 |
Family
ID=22193408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5017571A Expired GB1371366A (en) | 1970-10-30 | 1971-10-28 | Method of forming photographic images |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS511416B1 (enExample) |
| BE (1) | BE774656A (enExample) |
| CA (1) | CA988351A (enExample) |
| DE (1) | DE2154028C3 (enExample) |
| FR (1) | FR2113370A5 (enExample) |
| GB (1) | GB1371366A (enExample) |
-
1971
- 1971-09-09 CA CA122,438A patent/CA988351A/en not_active Expired
- 1971-10-26 JP JP46084414A patent/JPS511416B1/ja active Pending
- 1971-10-28 GB GB5017571A patent/GB1371366A/en not_active Expired
- 1971-10-28 BE BE774656A patent/BE774656A/xx unknown
- 1971-10-29 DE DE19712154028 patent/DE2154028C3/de not_active Expired
- 1971-10-29 FR FR7138887A patent/FR2113370A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE774656A (fr) | 1972-02-14 |
| JPS511416B1 (enExample) | 1976-01-17 |
| DE2154028B2 (de) | 1973-07-05 |
| DE2154028C3 (de) | 1974-01-31 |
| CA988351A (en) | 1976-05-04 |
| DE2154028A1 (de) | 1972-05-04 |
| FR2113370A5 (enExample) | 1972-06-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |