FR2192323B1 - - Google Patents
Info
- Publication number
- FR2192323B1 FR2192323B1 FR7224945A FR7224945A FR2192323B1 FR 2192323 B1 FR2192323 B1 FR 2192323B1 FR 7224945 A FR7224945 A FR 7224945A FR 7224945 A FR7224945 A FR 7224945A FR 2192323 B1 FR2192323 B1 FR 2192323B1
- Authority
- FR
- France
- 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
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- 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
- G03C1/72—Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705
- G03C1/73—Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705 containing organic compounds
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- 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
- G03C1/685—Compositions containing spiro-condensed pyran compounds or derivatives thereof, as photosensitive substances
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7224945A FR2192323A1 (en) | 1972-07-10 | 1972-07-10 | Photochromatic recording material - contg indoline or benzothiazoline-spiropyrans ketones and doped oxides |
JP1072173A JPS5544935B2 (en) | 1972-06-27 | 1973-01-25 | |
DE2319439A DE2319439C3 (en) | 1972-06-27 | 1973-04-17 | Photochromic recording material and copying process using a photochromic recording material |
US372405A US3871886A (en) | 1972-06-27 | 1973-06-21 | Photochromic copying method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7224945A FR2192323A1 (en) | 1972-07-10 | 1972-07-10 | Photochromatic recording material - contg indoline or benzothiazoline-spiropyrans ketones and doped oxides |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2192323A1 FR2192323A1 (en) | 1974-02-08 |
FR2192323B1 true FR2192323B1 (en) | 1976-10-29 |
Family
ID=9101615
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7224945A Granted FR2192323A1 (en) | 1972-06-27 | 1972-07-10 | Photochromatic recording material - contg indoline or benzothiazoline-spiropyrans ketones and doped oxides |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2192323A1 (en) |
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1972
- 1972-07-10 FR FR7224945A patent/FR2192323A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2192323A1 (en) | 1974-02-08 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |