FR2021260A1 - Photographic fixer-developer with reduced fogging - tendency - Google Patents
Photographic fixer-developer with reduced fogging - tendencyInfo
- Publication number
- FR2021260A1 FR2021260A1 FR6936260A FR6936260A FR2021260A1 FR 2021260 A1 FR2021260 A1 FR 2021260A1 FR 6936260 A FR6936260 A FR 6936260A FR 6936260 A FR6936260 A FR 6936260A FR 2021260 A1 FR2021260 A1 FR 2021260A1
- Authority
- FR
- France
- Prior art keywords
- developer
- tendency
- photographic fixer
- reduced fogging
- fixer
- 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.)
- Withdrawn
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
- G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
- G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
- G03C5/38—Fixing; Developing-fixing; Hardening-fixing
- G03C5/383—Developing-fixing, i.e. mono-baths
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Abstract
Aqueous photographic fixer-developer contains (I) a thickening agent, and (II) a 2-mercaptotetrahydropyrimidine, a 3-mercaptotetrahydro-1,2,4-triazine, or a derivative of these compounds. Compound (II) pref. has the formula (II): (where R' is H or C1-3 alkyl, pref. methyl or ethyl; X is methylene or = N-R2; and R2 is C1-3 alkyl).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19681804365 DE1804365A1 (en) | 1968-10-22 | 1968-10-22 | Improved fix developer |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2021260A1 true FR2021260A1 (en) | 1970-07-17 |
Family
ID=5711111
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR6936260A Withdrawn FR2021260A1 (en) | 1968-10-22 | 1969-10-22 | Photographic fixer-developer with reduced fogging - tendency |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE740293A (en) |
DE (1) | DE1804365A1 (en) |
FR (1) | FR2021260A1 (en) |
-
1968
- 1968-10-22 DE DE19681804365 patent/DE1804365A1/en active Pending
-
1969
- 1969-10-15 BE BE740293D patent/BE740293A/xx unknown
- 1969-10-22 FR FR6936260A patent/FR2021260A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE1804365A1 (en) | 1970-05-14 |
BE740293A (en) | 1970-04-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |