CA984209A - Spectral sensitization of direct-positive silverhalide emulsions - Google Patents
Spectral sensitization of direct-positive silverhalide emulsionsInfo
- Publication number
- CA984209A CA984209A CA138,084A CA138084A CA984209A CA 984209 A CA984209 A CA 984209A CA 138084 A CA138084 A CA 138084A CA 984209 A CA984209 A CA 984209A
- Authority
- CA
- Canada
- Prior art keywords
- positive
- direct
- spectral sensitization
- silverhalide
- 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
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
-
- 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
- G03C1/14—Methine and polymethine dyes with an odd number of CH groups
- G03C1/16—Methine and polymethine dyes with an odd number of CH groups with one CH group
-
- 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
- G03C1/22—Methine and polymethine dyes with an even number of CH groups
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)
- Plural Heterocyclic Compounds (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB909571A GB1378517A (en) | 1971-04-08 | 1971-04-08 | Spectral sensitization of direct-positive silver halide emulsions |
Publications (1)
Publication Number | Publication Date |
---|---|
CA984209A true CA984209A (en) | 1976-02-24 |
Family
ID=9865261
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA138,084A Expired CA984209A (en) | 1971-04-08 | 1972-03-24 | Spectral sensitization of direct-positive silverhalide emulsions |
Country Status (6)
Country | Link |
---|---|
US (1) | US3764338A (fr) |
BE (1) | BE781665A (fr) |
CA (1) | CA984209A (fr) |
DE (1) | DE2215830A1 (fr) |
FR (1) | FR2132650B3 (fr) |
GB (1) | GB1378517A (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4460543A (en) * | 1982-04-10 | 1984-07-17 | Grillo-Werke Ag | Process for preparation of zinc powder for alkaline batteries by amalgamation of zinc powder |
JPS60121441A (ja) * | 1983-12-06 | 1985-06-28 | Mitsubishi Paper Mills Ltd | 直接ポジ用ハロゲン化銀写真乳剤 |
DE69329964T2 (de) * | 1992-11-19 | 2001-09-13 | Eastman Kodak Co., Rochester | Furan-oder pyrrolsubstituierte Farbstoffverbindungen und solche Farbstoffe enthaltende fotografische Silberhalogenid-Elemente |
JP3588160B2 (ja) * | 1994-05-18 | 2004-11-10 | イーストマン コダック カンパニー | 複素環式置換基を有する青色増感色素 |
JP2004525799A (ja) * | 2001-03-28 | 2004-08-26 | バイエル アクチェンゲゼルシャフト | 情報層中に吸光性化合物としてカチオン性アミノ複素環式色素を含有する光学データ記録媒体 |
-
1971
- 1971-04-08 GB GB909571A patent/GB1378517A/en not_active Expired
-
1972
- 1972-03-20 FR FR7209764A patent/FR2132650B3/fr not_active Expired
- 1972-03-22 US US00237002A patent/US3764338A/en not_active Expired - Lifetime
- 1972-03-24 CA CA138,084A patent/CA984209A/en not_active Expired
- 1972-03-30 DE DE19722215830 patent/DE2215830A1/de active Pending
- 1972-04-05 BE BE781665A patent/BE781665A/fr unknown
Also Published As
Publication number | Publication date |
---|---|
FR2132650A3 (fr) | 1972-11-24 |
BE781665A (fr) | 1972-10-05 |
FR2132650B3 (fr) | 1974-06-07 |
US3764338A (en) | 1973-10-09 |
DE2215830A1 (de) | 1972-10-19 |
GB1378517A (en) | 1974-12-27 |
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