DE69324350T2 - Photochrome naphthopyrane - Google Patents

Photochrome naphthopyrane

Info

Publication number
DE69324350T2
DE69324350T2 DE69324350T DE69324350T DE69324350T2 DE 69324350 T2 DE69324350 T2 DE 69324350T2 DE 69324350 T DE69324350 T DE 69324350T DE 69324350 T DE69324350 T DE 69324350T DE 69324350 T2 DE69324350 T2 DE 69324350T2
Authority
DE
Germany
Prior art keywords
naphthopyrane
photochrome
photochrome naphthopyrane
Prior art date
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 - Fee Related
Application number
DE69324350T
Other languages
English (en)
Other versions
DE69324350D1 (de
DE69324350T3 (de
Inventor
David Knowles
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Transitions Optical Inc
Original Assignee
Transitions Optical Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25282212&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69324350(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Transitions Optical Inc filed Critical Transitions Optical Inc
Publication of DE69324350D1 publication Critical patent/DE69324350D1/de
Publication of DE69324350T2 publication Critical patent/DE69324350T2/de
Application granted granted Critical
Publication of DE69324350T3 publication Critical patent/DE69324350T3/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/15—Heterocyclic compounds having oxygen in the ring
    • C08K5/151—Heterocyclic compounds having oxygen in the ring having one oxygen atom in the ring
    • C08K5/1545—Six-membered rings
    • 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
    • C07D311/92—Naphthopyrans; Hydrogenated naphthopyrans
DE69324350T 1992-02-24 1993-02-01 Photochrome naphthopyrane Expired - Fee Related DE69324350T3 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/840,378 US5238981A (en) 1992-02-24 1992-02-24 Photochromic naphthopyrans
US840378 1992-02-24
PCT/US1993/000873 WO1993017071A1 (en) 1992-02-24 1993-02-01 Photochromic naphthopyrans

Publications (3)

Publication Number Publication Date
DE69324350D1 DE69324350D1 (de) 1999-05-12
DE69324350T2 true DE69324350T2 (de) 1999-11-18
DE69324350T3 DE69324350T3 (de) 2004-08-19

Family

ID=25282212

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69324350T Expired - Fee Related DE69324350T3 (de) 1992-02-24 1993-02-01 Photochrome naphthopyrane
DE9321352U Expired - Lifetime DE9321352U1 (de) 1992-02-24 1993-02-01 Photochrome Naphthopyrane

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE9321352U Expired - Lifetime DE9321352U1 (de) 1992-02-24 1993-02-01 Photochrome Naphthopyrane

Country Status (7)

Country Link
US (2) US5238981A (de)
EP (1) EP0628064B2 (de)
JP (1) JP2581516B2 (de)
CA (1) CA2130272A1 (de)
DE (2) DE69324350T3 (de)
ES (1) ES2134839T3 (de)
WO (1) WO1993017071A1 (de)

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Also Published As

Publication number Publication date
CA2130272A1 (en) 1993-09-02
US5369158A (en) 1994-11-29
JPH07504191A (ja) 1995-05-11
WO1993017071A1 (en) 1993-09-02
EP0628064A1 (de) 1994-12-14
EP0628064B1 (de) 1999-04-07
US5238981A (en) 1993-08-24
ES2134839T3 (es) 1999-10-16
JP2581516B2 (ja) 1997-02-12
DE69324350D1 (de) 1999-05-12
EP0628064A4 (de) 1995-02-08
DE69324350T3 (de) 2004-08-19
EP0628064B2 (de) 2003-12-10
DE9321352U1 (de) 1997-06-12

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