NL6713745A - - Google Patents
Info
- Publication number
- NL6713745A NL6713745A NL6713745A NL6713745A NL6713745A NL 6713745 A NL6713745 A NL 6713745A NL 6713745 A NL6713745 A NL 6713745A NL 6713745 A NL6713745 A NL 6713745A NL 6713745 A NL6713745 A NL 6713745A
- Authority
- NL
- Netherlands
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
- C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
- C07D311/22—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
- C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D311/78—Ring systems having three or more relevant rings
- C07D311/80—Dibenzopyrans; Hydrogenated dibenzopyrans
- C07D311/82—Xanthenes
- C07D311/84—Xanthenes with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 9
- C07D311/86—Oxygen atoms, e.g. xanthones
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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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US58870266A | 1966-10-24 | 1966-10-24 | |
| US58874566A | 1966-10-24 | 1966-10-24 | |
| US71741268A | 1968-03-29 | 1968-03-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6713745A true NL6713745A (xx) | 1968-04-25 |
Family
ID=27416521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6713745A NL6713745A (xx) | 1966-10-24 | 1967-10-10 |
Country Status (4)
| Country | Link |
|---|---|
| US (2) | US3444212A (xx) |
| BE (1) | BE705497A (xx) |
| DE (1) | DE1643226A1 (xx) |
| NL (1) | NL6713745A (xx) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3844792A (en) * | 1972-12-07 | 1974-10-29 | American Cyanamid Co | A photosensitive composition containing a photochromic benzoylchromone or dibenzofuran and a strong organic amine base |
| US3903423A (en) * | 1974-05-09 | 1975-09-02 | American Cyanamid Co | Sunburn dosimeter |
| US4585876A (en) * | 1982-11-25 | 1986-04-29 | Ciba-Geigy Corporation | Novel xanthones and thioxanthones |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3331859A (en) * | 1964-06-23 | 1967-07-18 | American Cyanamid Co | 3-aroyl-(2-arylmethyl)chromones |
-
1966
- 1966-10-24 US US588745A patent/US3444212A/en not_active Expired - Lifetime
-
1967
- 1967-10-10 NL NL6713745A patent/NL6713745A/xx unknown
- 1967-10-23 BE BE705497D patent/BE705497A/xx unknown
- 1967-10-24 DE DE19671643226 patent/DE1643226A1/de active Pending
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1968
- 1968-03-29 US US717412A patent/US3534063A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US3534063A (en) | 1970-10-13 |
| US3444212A (en) | 1969-05-13 |
| BE705497A (xx) | 1968-04-23 |
| DE1643226A1 (de) | 1971-06-09 |