GB1059842A - Identification of photographic materials - Google Patents
Identification of photographic materialsInfo
- Publication number
- GB1059842A GB1059842A GB1836964A GB1836964A GB1059842A GB 1059842 A GB1059842 A GB 1059842A GB 1836964 A GB1836964 A GB 1836964A GB 1836964 A GB1836964 A GB 1836964A GB 1059842 A GB1059842 A GB 1059842A
- Authority
- GB
- United Kingdom
- Prior art keywords
- triazin
- ylamino
- bis
- barbituric acid
- film base
- 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
- G03C1/76—Photosensitive materials characterised by the base or auxiliary layers
- G03C1/815—Photosensitive materials characterised by the base or auxiliary layers characterised by means for filtering or absorbing ultraviolet light, e.g. optical bleaching
- G03C1/8155—Organic compounds therefor
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/24—Details of cameras or camera bodies; Accessories therefor with means for separately producing marks on the film, e.g. title, time of exposure
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Laminated Bodies (AREA)
Abstract
Photographic film base, which may be in the form of a roll, is marked for identification purposes by applying to the edge of the film or to an end-face of the roll, a substance which fluoresces in ultra-violet light. The fluorescent substance may be hydrophobic such as 4-methyl - 6 - diethylamino - coumarone, 2,4-diphenyl - 6 - styryl - pyrylium perchlorate, 4,41 - bis - (4,6 - dianilino - s - triazin - 2 -ylamino) stilbene, anisylidene barbituric acid or dimethylamino-benzylidene barbituric acid. If the film base is provided with a hydrophilic layer, a hydrophilic fluorescent substance may be used such as a bis-(s-triazin-2-ylamino) stilbene disulphonate.ALSO:A roll of film base is marked for identification purposes by applying to an end face thereof a substance which fluoresces in ultra-violet light. The fluorescent substance may be hydrophobic such as 4-methyl-6-diethylaminocoumarone, 2,4 - diphenyl - 6 - styryl - pyrylium perchlorate, 4,4'-bis(4,6-dianilino-s-triazin-2-ylamino)-stilbene, anisylidene barbituric acid or dimethylamino-benzylidene barbituric acid. If the film base is provided with a hydrophilic colloid layer, a hydrophilic fluorescent substance may be used such as a bis(s-triazin-2-ylamino) stilbene disulphonate.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US27744263A | 1963-05-02 | 1963-05-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1059842A true GB1059842A (en) | 1967-02-22 |
Family
ID=23060883
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1836964A Expired GB1059842A (en) | 1963-05-02 | 1964-05-04 | Identification of photographic materials |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1059842A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0110828A2 (en) * | 1982-11-26 | 1984-06-13 | Ciba-Geigy Ag | Colour-photographic recording material |
-
1964
- 1964-05-04 GB GB1836964A patent/GB1059842A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0110828A2 (en) * | 1982-11-26 | 1984-06-13 | Ciba-Geigy Ag | Colour-photographic recording material |
EP0110828A3 (en) * | 1982-11-26 | 1985-12-27 | Ciba-Geigy Ag | Colour-photographic recording material |
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