FR2205682B1 - - Google Patents
Info
- Publication number
- FR2205682B1 FR2205682B1 FR7338863A FR7338863A FR2205682B1 FR 2205682 B1 FR2205682 B1 FR 2205682B1 FR 7338863 A FR7338863 A FR 7338863A FR 7338863 A FR7338863 A FR 7338863A FR 2205682 B1 FR2205682 B1 FR 2205682B1
- 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
-
- 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)
- Optical Record Carriers And Manufacture Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722253637 DE2253637A1 (de) | 1972-11-02 | 1972-11-02 | Strahlungsempfindliches aufzeichnungsmaterial |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2205682A1 FR2205682A1 (en) | 1974-05-31 |
| FR2205682B1 true FR2205682B1 (cg-RX-API-DMAC7.html) | 1977-05-27 |
Family
ID=5860651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7338863A Granted FR2205682A1 (en) | 1972-11-02 | 1973-10-31 | Radiation sensitive recording material - with better stability at low expos-ure without desensitisation contains hydrogen halide acceptor, donor and photochromic cpd. |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS49135617A (cg-RX-API-DMAC7.html) |
| DE (1) | DE2253637A1 (cg-RX-API-DMAC7.html) |
| FR (1) | FR2205682A1 (cg-RX-API-DMAC7.html) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1243719B (it) * | 1990-09-18 | 1994-06-21 | Enichem Sintesi | Miscela stabilizzante per composti ad attivita' fotocromatica |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1274655C2 (de) * | 1965-12-15 | 1973-11-15 | Speichermaterial zur aufzeichnung hochfrequenter signale | |
| DE1572031A1 (de) * | 1966-04-14 | 1970-01-02 | Eiichi Inoue | Verfahren zum Regenerieren und Stabilisieren der Photofarbe von photofarbentwickelnden und -eliminierenden Materialien |
| DE1290977B (de) * | 1967-07-21 | 1969-03-20 | Telefunken Patent | Speichermaterial zur Aufzeichnung hochfrequenter Signale |
| GB1359472A (en) * | 1970-09-01 | 1974-07-10 | Agfa Gevaert | Photographic recording and reproduction of information |
-
1972
- 1972-11-02 DE DE19722253637 patent/DE2253637A1/de active Pending
-
1973
- 1973-10-31 FR FR7338863A patent/FR2205682A1/fr active Granted
- 1973-11-02 JP JP12390573A patent/JPS49135617A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2205682A1 (en) | 1974-05-31 |
| JPS49135617A (cg-RX-API-DMAC7.html) | 1974-12-27 |
| DE2253637A1 (de) | 1974-05-16 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |