IT1223067B - PHOTOCROMATIC COMPOUND AND PHOTOCROMATIC ITEMS THAT CONTAIN IT - Google Patents
PHOTOCROMATIC COMPOUND AND PHOTOCROMATIC ITEMS THAT CONTAIN ITInfo
- Publication number
- IT1223067B IT1223067B IT22528/87A IT2252887A IT1223067B IT 1223067 B IT1223067 B IT 1223067B IT 22528/87 A IT22528/87 A IT 22528/87A IT 2252887 A IT2252887 A IT 2252887A IT 1223067 B IT1223067 B IT 1223067B
- Authority
- IT
- Italy
- Prior art keywords
- photocromatic
- compound
- items
- contain
- general formula
- Prior art date
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
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Inorganic Insulating Materials (AREA)
- Pyrane Compounds (AREA)
Abstract
A photochromatic composition contains at least two photochromatic compounds, defined by the general formula: <CHEM> wherein the various substituents from R1 to R7 and X are as defined in the specification. In such a mixture, at least one photochromatic compound is defined by the general formula, wherein R7 represents a hydrogen atom, and at least one further compound is also defined by the general formula, wherein R7 represents an -NR8 R9, with R8 and R9 having the meaning as defined in the text.
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT22528/87A IT1223067B (en) | 1987-11-05 | 1987-11-05 | PHOTOCROMATIC COMPOUND AND PHOTOCROMATIC ITEMS THAT CONTAIN IT |
EP88202408A EP0316980B1 (en) | 1987-11-05 | 1988-10-28 | Photochromatic composition and photochromatic articles which contain it |
AT88202408T ATE91033T1 (en) | 1987-11-05 | 1988-10-28 | PHOTOCHROMIC COMPOSITION AND ARTICLES CONTAINING SUCH COMPOSITION. |
DE88202408T DE3882015T2 (en) | 1987-11-05 | 1988-10-28 | PHOTOCHROMIC COMPOSITION AND ITEMS CONTAINING THIS COMPOSITION. |
ES88202408T ES2056906T3 (en) | 1987-11-05 | 1988-10-28 | PHOTOCHROMATIC COMPOSITION AND PHOTOCHROMATIC ARTICLES CONTAINING THIS COMPOSITION. |
JP63277611A JPH01163184A (en) | 1987-11-05 | 1988-11-04 | Phototropic composition |
AU24744/88A AU605929B2 (en) | 1987-11-05 | 1988-11-04 | Photochromatic composition and photochromatic articles which contain it |
US07/650,035 US5180524A (en) | 1987-11-05 | 1991-02-04 | Photochromatic composition and photochromatic articles which contain it |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT22528/87A IT1223067B (en) | 1987-11-05 | 1987-11-05 | PHOTOCROMATIC COMPOUND AND PHOTOCROMATIC ITEMS THAT CONTAIN IT |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8722528A0 IT8722528A0 (en) | 1987-11-05 |
IT1223067B true IT1223067B (en) | 1990-09-12 |
Family
ID=11197462
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT22528/87A IT1223067B (en) | 1987-11-05 | 1987-11-05 | PHOTOCROMATIC COMPOUND AND PHOTOCROMATIC ITEMS THAT CONTAIN IT |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0316980B1 (en) |
JP (1) | JPH01163184A (en) |
AT (1) | ATE91033T1 (en) |
AU (1) | AU605929B2 (en) |
DE (1) | DE3882015T2 (en) |
ES (1) | ES2056906T3 (en) |
IT (1) | IT1223067B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07233174A (en) * | 1993-12-28 | 1995-09-05 | Hodogaya Chem Co Ltd | Spironaphthoxazine compound and photosensitive material using the same compound |
DE4420378C1 (en) * | 1994-06-10 | 1995-11-30 | Rodenstock Optik G | Photochromic dyes |
FR2723218A1 (en) * | 1994-07-29 | 1996-02-02 | Essilor Internal Cie Gle Optique | PHOTOCHROMIC COMPOUNDS WITH A SPIRO STRUCTURE (INDOLINE- (2,3 ') - BENZOXAZINE) WITH A CYANO GROUP IN 6', AND THEIR USE IN THE FIELD OF OPHTHALMIC OPTICS |
EP1044979A3 (en) * | 1999-03-24 | 2001-05-09 | Corning S.A. | 1-[(N-(un)substituted)amidoalkyl]spiroindolinonaphthoxazines, their preparation, compositions and (co)polymer matrices containing them |
EP1044978A3 (en) * | 1999-03-24 | 2001-05-09 | Corning S.A. | 1-N-alkyl-5'-[(N'-(un)substituted)amido]spiroindolinonaphthoxazines, their preparation, compositions and (co)polymer matrices containing them |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4342668A (en) * | 1978-09-08 | 1982-08-03 | American Optical Corporation | Photochromic compounds |
US4440672A (en) * | 1982-03-22 | 1984-04-03 | American Optical Corporation | Photochromic composition resistant to fatigue |
EP0146135B1 (en) * | 1983-12-16 | 1993-04-21 | Optische Werke G. Rodenstock | Photochromic substances |
CA1268034A (en) * | 1985-01-31 | 1990-04-24 | Nori Y.C. Chu | Photochromic composition resistant to fatigue |
GB8610709D0 (en) * | 1986-05-01 | 1986-06-04 | Plinkington Bros Plc | Photochromic lenses |
-
1987
- 1987-11-05 IT IT22528/87A patent/IT1223067B/en active
-
1988
- 1988-10-28 ES ES88202408T patent/ES2056906T3/en not_active Expired - Lifetime
- 1988-10-28 DE DE88202408T patent/DE3882015T2/en not_active Revoked
- 1988-10-28 AT AT88202408T patent/ATE91033T1/en not_active IP Right Cessation
- 1988-10-28 EP EP88202408A patent/EP0316980B1/en not_active Revoked
- 1988-11-04 JP JP63277611A patent/JPH01163184A/en active Pending
- 1988-11-04 AU AU24744/88A patent/AU605929B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
DE3882015T2 (en) | 1993-11-04 |
AU605929B2 (en) | 1991-01-24 |
DE3882015D1 (en) | 1993-07-29 |
AU2474488A (en) | 1989-05-11 |
ATE91033T1 (en) | 1993-07-15 |
IT8722528A0 (en) | 1987-11-05 |
EP0316980B1 (en) | 1993-06-23 |
JPH01163184A (en) | 1989-06-27 |
EP0316980A1 (en) | 1989-05-24 |
ES2056906T3 (en) | 1994-10-16 |
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Legal Events
Date | Code | Title | Description |
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TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19971113 |