FR1555666A - - Google Patents
Info
- Publication number
- FR1555666A FR1555666A FR125642A FR1555666DA FR1555666A FR 1555666 A FR1555666 A FR 1555666A FR 125642 A FR125642 A FR 125642A FR 1555666D A FR1555666D A FR 1555666DA FR 1555666 A FR1555666 A FR 1555666A
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
- C07D491/12—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains three hetero rings
- C07D491/20—Spiro-condensed systems
-
- 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)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR125642 | 1967-10-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1555666A true FR1555666A (fr) | 1969-01-31 |
Family
ID=8640619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR125642A Expired FR1555666A (fr) | 1967-10-24 | 1967-10-24 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3843550A (fr) |
| BE (1) | BE722788A (fr) |
| DE (1) | DE1804754A1 (fr) |
| FR (1) | FR1555666A (fr) |
| GB (1) | GB1243370A (fr) |
| NL (1) | NL6814487A (fr) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4637698A (en) * | 1983-11-04 | 1987-01-20 | Ppg Industries, Inc. | Photochromic compound and articles containing the same |
| CA1246565A (fr) * | 1984-07-06 | 1988-12-13 | Shinichi Yamamoto | Composes a base de spiro-oxazine; leur preparation; articles mis en forme, photochromiques |
| US4720547A (en) * | 1984-07-30 | 1988-01-19 | Ppg Industries, Inc. | Photochromic compound and articles containing the same |
| US4634767A (en) * | 1985-09-03 | 1987-01-06 | Ppg Industries, Inc. | Method for preparing spiro(indoline)-type photochromic compounds |
| US4909963A (en) * | 1986-09-26 | 1990-03-20 | Ppg Industries, Inc. | Photochromic article |
| US4831142A (en) * | 1986-09-26 | 1989-05-16 | Ppg Industries, Inc. | Spiro indoline-pyranobenzoxazinones |
| US4816584A (en) * | 1986-11-12 | 1989-03-28 | Ppg Industries, Inc. | Photochromic spiro(indoline)benzoxazines |
| US4785097A (en) * | 1986-09-26 | 1988-11-15 | Ppg Industries, Inc. | Method for synthesizing spiro-oxazines |
| US4994208A (en) * | 1989-04-18 | 1991-02-19 | Ppg Industries, Inc. | Photochromic polymeric article |
| US5383959A (en) * | 1993-02-22 | 1995-01-24 | Xytronyx, Inc. | Reversible inks |
| US5699182A (en) * | 1995-05-25 | 1997-12-16 | Xytronyx, Inc. | Light fatigue resistant photochromic formulations |
| FR2875811B1 (fr) * | 2004-09-29 | 2008-08-22 | Rhodia Chimie Sa | Utilisation d'un alcool gras aliphatique dans les compositions moussantes detergentes pour l'entretien de surfaces dures ou textiles |
| CN108017653B (zh) * | 2017-12-04 | 2020-10-27 | 西北大学 | 香豆素衍生物及在检测g-四链体dna和细胞内荧光标记溶酶体中的应用 |
-
1967
- 1967-10-24 FR FR125642A patent/FR1555666A/fr not_active Expired
-
1968
- 1968-10-10 NL NL6814487A patent/NL6814487A/xx unknown
- 1968-10-21 GB GB49761/68A patent/GB1243370A/en not_active Expired
- 1968-10-23 BE BE722788D patent/BE722788A/xx unknown
- 1968-10-23 DE DE19681804754 patent/DE1804754A1/de active Pending
- 1968-10-23 US US00770118A patent/US3843550A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| NL6814487A (fr) | 1969-04-28 |
| US3843550A (en) | 1974-10-22 |
| DE1804754A1 (de) | 1971-07-15 |
| GB1243370A (en) | 1971-08-18 |
| BE722788A (fr) | 1969-04-23 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |