FR2036168A5 - - Google Patents
Info
- Publication number
- FR2036168A5 FR2036168A5 FR6906138A FR6906138A FR2036168A5 FR 2036168 A5 FR2036168 A5 FR 2036168A5 FR 6906138 A FR6906138 A FR 6906138A FR 6906138 A FR6906138 A FR 6906138A FR 2036168 A5 FR2036168 A5 FR 2036168A5
- 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)
- Nitrogen Condensed Heterocyclic Rings (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR6906138A FR2036168A5 (fr) | 1969-03-06 | 1969-03-06 | |
US05/016,962 US3950356A (en) | 1969-03-06 | 1970-03-05 | Synthesis of photochromic indolinespiropyrans |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR6906138A FR2036168A5 (fr) | 1969-03-06 | 1969-03-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2036168A5 true FR2036168A5 (fr) | 1970-12-24 |
Family
ID=9030150
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR6906138A Expired FR2036168A5 (fr) | 1969-03-06 | 1969-03-06 |
Country Status (2)
Country | Link |
---|---|
US (1) | US3950356A (fr) |
FR (1) | FR2036168A5 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH594675A5 (fr) * | 1976-01-30 | 1978-01-13 | Ciba Geigy Ag | |
US4634767A (en) * | 1985-09-03 | 1987-01-06 | Ppg Industries, Inc. | Method for preparing spiro(indoline)-type photochromic compounds |
JP3200649B2 (ja) * | 1991-03-13 | 2001-08-20 | 大塚化学株式会社 | 遷移金属スピロベンゾピラン錯体、その製造方法及び該錯体からなるフォトクロミック材料 |
US5699182A (en) * | 1995-05-25 | 1997-12-16 | Xytronyx, Inc. | Light fatigue resistant photochromic formulations |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL253898A (fr) * | 1959-07-16 |
-
1969
- 1969-03-06 FR FR6906138A patent/FR2036168A5/fr not_active Expired
-
1970
- 1970-03-05 US US05/016,962 patent/US3950356A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US3950356A (en) | 1976-04-13 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |