FR1128788A - Method for distinguishing between types of photographic media using fluorescent substances - Google Patents
Method for distinguishing between types of photographic media using fluorescent substancesInfo
- Publication number
- FR1128788A FR1128788A FR1128788DA FR1128788A FR 1128788 A FR1128788 A FR 1128788A FR 1128788D A FR1128788D A FR 1128788DA FR 1128788 A FR1128788 A FR 1128788A
- Authority
- FR
- France
- Prior art keywords
- distinguishing
- types
- fluorescent substances
- photographic media
- 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
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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3442—Heterocyclic compounds having nitrogen in the ring having two nitrogen atoms in the ring
- C08K5/3445—Five-membered rings
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Plural Heterocyclic Compounds (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT772916X | 1954-08-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1128788A true FR1128788A (en) | 1957-01-10 |
Family
ID=11316186
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1128788D Expired FR1128788A (en) | 1954-08-04 | 1955-08-02 | Method for distinguishing between types of photographic media using fluorescent substances |
FR71553D Expired FR71553E (en) | 1954-08-04 | 1957-05-20 | Method for distinguishing between types of photographic media using fluorescent substances |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR71553D Expired FR71553E (en) | 1954-08-04 | 1957-05-20 | Method for distinguishing between types of photographic media using fluorescent substances |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE1008569B (en) |
FR (2) | FR1128788A (en) |
GB (2) | GB772916A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL290832A (en) * | 1962-03-31 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE506515A (en) * | 1950-10-26 | |||
US2653873A (en) * | 1951-08-17 | 1953-09-29 | Eastman Kodak Co | Light-sensitive photographic element |
-
1955
- 1955-07-27 DE DES44940A patent/DE1008569B/en active Pending
- 1955-07-27 GB GB21728/55A patent/GB772916A/en not_active Expired
- 1955-08-02 FR FR1128788D patent/FR1128788A/en not_active Expired
-
1957
- 1957-04-15 GB GB12233/57A patent/GB816026A/en not_active Expired
- 1957-05-20 FR FR71553D patent/FR71553E/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE1008569B (en) | 1957-05-16 |
GB816026A (en) | 1959-07-08 |
FR71553E (en) | 1960-01-05 |
GB772916A (en) | 1957-04-17 |
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