GB1304935A - - Google Patents
Info
- Publication number
- GB1304935A GB1304935A GB1468770A GB1468770A GB1304935A GB 1304935 A GB1304935 A GB 1304935A GB 1468770 A GB1468770 A GB 1468770A GB 1468770 A GB1468770 A GB 1468770A GB 1304935 A GB1304935 A GB 1304935A
- Authority
- GB
- United Kingdom
- Prior art keywords
- spiro
- benzopyran
- indoline
- trimethyl
- nitro
- 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
- G03C1/685—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)
- Cosmetics (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2381969A JPS5016383B1 (ru) | 1969-03-31 | 1969-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1304935A true GB1304935A (ru) | 1973-01-31 |
Family
ID=12120948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1468770A Expired GB1304935A (ru) | 1969-03-31 | 1970-03-26 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS5016383B1 (ru) |
| DE (1) | DE2015268B2 (ru) |
| GB (1) | GB1304935A (ru) |
-
1969
- 1969-03-31 JP JP2381969A patent/JPS5016383B1/ja active Pending
-
1970
- 1970-03-26 GB GB1468770A patent/GB1304935A/en not_active Expired
- 1970-03-31 DE DE19702015268 patent/DE2015268B2/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5016383B1 (ru) | 1975-06-12 |
| DE2015268A1 (de) | 1970-10-08 |
| DE2015268B2 (de) | 1974-06-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |