BE659802A - - Google Patents
Info
- Publication number
- BE659802A BE659802A BE659802A BE659802A BE659802A BE 659802 A BE659802 A BE 659802A BE 659802 A BE659802 A BE 659802A BE 659802 A BE659802 A BE 659802A BE 659802 A BE659802 A BE 659802A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
- C07D471/12—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains three hetero rings
- C07D471/20—Spiro-condensed systems
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/28—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/22—Absorbing filters
- G02B5/23—Photochromic filters
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
- Y10S430/163—Radiation-chromic compound
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR964158A FR1406487A (fr) | 1964-02-18 | 1964-02-18 | Nouvelles compositions photochromes notamment pour la fabrication des vitrages à transmission variable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE659802A true BE659802A (xx) | 1965-08-17 |
Family
ID=8823397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE659802A BE659802A (xx) | 1964-02-18 | 1965-02-16 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3407145A (xx) |
| BE (1) | BE659802A (xx) |
| DE (1) | DE1284583B (xx) |
| FR (1) | FR1406487A (xx) |
| GB (1) | GB1092123A (xx) |
| LU (1) | LU48005A1 (xx) |
| NL (1) | NL6501980A (xx) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3523903A (en) * | 1966-04-18 | 1970-08-11 | Us Army | Photochromic cis-1-aryl-2-nitroalkenes compositions |
| US3508810A (en) * | 1967-07-19 | 1970-04-28 | Vari Light Corp | Photochromic systems |
| US3547509A (en) * | 1967-08-04 | 1970-12-15 | Bell Telephone Labor Inc | Holographic recording media |
| US4183553A (en) * | 1977-02-04 | 1980-01-15 | Ciba-Geigy Corporation | Pressure- or heat-sensitive recording material and novel chromano compounds used therein |
| US4637698A (en) * | 1983-11-04 | 1987-01-20 | Ppg Industries, Inc. | Photochromic compound and articles containing the same |
| DE3345639A1 (de) * | 1983-12-16 | 1985-07-04 | Optische Werke G. Rodenstock, 8000 München | Optisches element mit phototropem ueberzug |
| US4720547A (en) * | 1984-07-30 | 1988-01-19 | Ppg Industries, Inc. | Photochromic compound and articles containing the same |
| AU564689B2 (en) * | 1985-07-09 | 1987-08-20 | Kureha Kagaku Kogyo K.K. | Photochromic lens |
| US4909963A (en) * | 1986-09-26 | 1990-03-20 | Ppg Industries, Inc. | Photochromic article |
| US4816584A (en) * | 1986-11-12 | 1989-03-28 | Ppg Industries, Inc. | Photochromic spiro(indoline)benzoxazines |
| JP3030471B2 (ja) * | 1991-03-13 | 2000-04-10 | 大塚化学株式会社 | インドリノスピロベンゾチオピラン誘導体とその開環型異性体を含むことからなる結晶、その製造方法及び該結晶からなるピエゾクロミック材料 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3085469A (en) * | 1959-10-12 | 1963-04-16 | Ncr Co | Optical information-processing apparatus and method |
| US3278449A (en) * | 1960-12-20 | 1966-10-11 | Sundstrand Corp | Visible light filtering |
-
1964
- 1964-02-18 FR FR964158A patent/FR1406487A/fr not_active Expired
-
1965
- 1965-02-16 LU LU48005D patent/LU48005A1/xx unknown
- 1965-02-16 BE BE659802A patent/BE659802A/xx unknown
- 1965-02-17 NL NL6501980A patent/NL6501980A/xx unknown
- 1965-02-17 DE DEC35112A patent/DE1284583B/de active Pending
- 1965-02-18 US US433692A patent/US3407145A/en not_active Expired - Lifetime
- 1965-02-18 GB GB7106/65A patent/GB1092123A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1092123A (en) | 1967-11-22 |
| FR1406487A (fr) | 1965-07-23 |
| NL6501980A (xx) | 1965-08-19 |
| LU48005A1 (xx) | 1965-08-17 |
| DE1284583B (de) | 1968-12-05 |
| US3407145A (en) | 1968-10-22 |