US3526507A - Autopositive reproduction material - Google Patents
Autopositive reproduction material Download PDFInfo
- Publication number
- US3526507A US3526507A US545847A US3526507DA US3526507A US 3526507 A US3526507 A US 3526507A US 545847 A US545847 A US 545847A US 3526507D A US3526507D A US 3526507DA US 3526507 A US3526507 A US 3526507A
- Authority
- US
- United States
- Prior art keywords
- light
- autopositive
- compound
- emulsion
- photographic
- 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 - Lifetime
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
- G03C1/48592—Positive image obtained by various effects other than photohole bleaching or internal image desensitisation, e.g. Sabatier, Clayden effect
Description
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2474565 | 1965-04-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
US3526507A true US3526507A (en) | 1970-09-01 |
Family
ID=12146665
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US545847A Expired - Lifetime US3526507A (en) | 1965-04-28 | 1966-04-28 | Autopositive reproduction material |
Country Status (1)
Country | Link |
---|---|
US (1) | US3526507A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3642477A (en) * | 1969-04-24 | 1972-02-15 | Keuffel & Esser Co | Imaging method |
US3650758A (en) * | 1970-07-20 | 1972-03-21 | Eastman Kodak Co | Direct-positive print-out silver halide emulsion fogged to visible density |
US3933498A (en) * | 1973-09-28 | 1976-01-20 | E. I. Du Pont De Nemours And Company | Fogged, direct positive silver halide emulsions containing a bleach inhibiting compound and a Dmin maintainer compound |
US4485169A (en) * | 1982-03-08 | 1984-11-27 | Fuji Photo Film Co., Ltd. | Silver halide photographic light-sensitive materials |
US5185240A (en) * | 1989-08-11 | 1993-02-09 | Fuji Photo Film Co., Ltd. | Silver halide photographic material |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2444605A (en) * | 1945-12-15 | 1948-07-06 | Gen Aniline & Film Corp | Stabilizers for photographic emulsions |
US2444607A (en) * | 1945-12-15 | 1948-07-06 | Gen Aniline & Film Corp | Stabilizers for photographic emulsions |
US2716062A (en) * | 1953-07-01 | 1955-08-23 | Eastman Kodak Co | 4-hydroxy-6-alkyl-1, 3, 3a, 7-tetrazaindene stabilizers for emulsions sensitized with alkylene oxide polymers |
US3178282A (en) * | 1959-01-12 | 1965-04-13 | Eastman Kodak Co | Photographic elements containing surface image and fogged internal image silver halide grains |
US3202512A (en) * | 1962-02-23 | 1965-08-24 | Eastman Kodak Co | Photographic silver halide emulsions stabilized with tetrazaindene compounds |
US3403025A (en) * | 1965-08-25 | 1968-09-24 | Eastman Kodak Co | Desensitization of silver halides to visible radiation with thiuram disulfides |
-
1966
- 1966-04-28 US US545847A patent/US3526507A/en not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2444605A (en) * | 1945-12-15 | 1948-07-06 | Gen Aniline & Film Corp | Stabilizers for photographic emulsions |
US2444607A (en) * | 1945-12-15 | 1948-07-06 | Gen Aniline & Film Corp | Stabilizers for photographic emulsions |
US2716062A (en) * | 1953-07-01 | 1955-08-23 | Eastman Kodak Co | 4-hydroxy-6-alkyl-1, 3, 3a, 7-tetrazaindene stabilizers for emulsions sensitized with alkylene oxide polymers |
US3178282A (en) * | 1959-01-12 | 1965-04-13 | Eastman Kodak Co | Photographic elements containing surface image and fogged internal image silver halide grains |
US3202512A (en) * | 1962-02-23 | 1965-08-24 | Eastman Kodak Co | Photographic silver halide emulsions stabilized with tetrazaindene compounds |
US3403025A (en) * | 1965-08-25 | 1968-09-24 | Eastman Kodak Co | Desensitization of silver halides to visible radiation with thiuram disulfides |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3642477A (en) * | 1969-04-24 | 1972-02-15 | Keuffel & Esser Co | Imaging method |
US3650758A (en) * | 1970-07-20 | 1972-03-21 | Eastman Kodak Co | Direct-positive print-out silver halide emulsion fogged to visible density |
US3933498A (en) * | 1973-09-28 | 1976-01-20 | E. I. Du Pont De Nemours And Company | Fogged, direct positive silver halide emulsions containing a bleach inhibiting compound and a Dmin maintainer compound |
US4485169A (en) * | 1982-03-08 | 1984-11-27 | Fuji Photo Film Co., Ltd. | Silver halide photographic light-sensitive materials |
US5185240A (en) * | 1989-08-11 | 1993-02-09 | Fuji Photo Film Co., Ltd. | Silver halide photographic material |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: CHEMICAL BANK, A BANKING INSTITUTION OF, NEW YORK Free format text: SECURITY INTEREST;ASSIGNOR:KEUFFEL & ESSER COMPANY A.N.J. CORP;REEL/FRAME:003969/0808 Effective date: 19820323 Owner name: BANK OF CALIFORNIA N.A. THE; A NATIONAL BANKING AS Free format text: SECURITY INTEREST;ASSIGNOR:KEUFFEL & ESSER COMPANY A.N.J. CORP;REEL/FRAME:003969/0808 Effective date: 19820323 Owner name: CONTINENTAL ILLINOIS NATIONAL BANK & TRUST CO., OF Free format text: SECURITY INTEREST;ASSIGNOR:KEUFFEL & ESSER COMPANY A.N.J. CORP;REEL/FRAME:003969/0808 Effective date: 19820323 Owner name: CHEMICAL BANK, A BANKING INSTITUTION OF NY. Free format text: SECURITY INTEREST;ASSIGNOR:KEUFFEL & ESSER COMPANY A.N.J. CORP;REEL/FRAME:003969/0808 Effective date: 19820323 Owner name: CHASE MANHATTAN BANK, N.A. THE; A NATIONAL BANKING Free format text: SECURITY INTEREST;ASSIGNOR:KEUFFEL & ESSER COMPANY A.N.J. CORP;REEL/FRAME:003969/0808 Effective date: 19820323 Owner name: SECURITY NATIONAL BANK, A NATIONAL BANKING ASSOCIA Free format text: SECURITY INTEREST;ASSIGNOR:KEUFFEL & ESSER COMPANY A.N.J. CORP;REEL/FRAME:003969/0808 Effective date: 19820323 |