HUP0003678A2 - Substituted naphthopyrans - Google Patents

Substituted naphthopyrans

Info

Publication number: HUP0003678A2
Authority: HU; Hungary
Prior art keywords: substituted naphthopyrans; naphthopyrans; substituted
Prior art date: 1997-06-04

Application number

HU0003678A

Other languages

Hungarian (hu)

Inventor

David B Knowles

Anil Kumar

Barry Van Gemert

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.)

1997-06-04

Filing date

1997-06-04

Publication date

2001-03-28

1997-06-04 Application filed by Transitions Optical Inc filed Critical Transitions Optical Inc

1997-06-04 Priority claimed from PCT/US1997/009687 external-priority patent/WO1998055457A1/en

2001-03-28 Publication of HUP0003678A2 publication Critical patent/HUP0003678A2/en

Classifications

- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K9/00—Tenebrescent materials, i.e. materials for which the range of wavelengths for energy absorption is changed as a result of excitation by some form of energy
- C09K9/02—Organic tenebrescent materials
- 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
- 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

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Compositions Of Macromolecular Compounds (AREA)
Eyeglasses (AREA)
Pyrane Compounds (AREA)
Optical Filters (AREA)
Plural Heterocyclic Compounds (AREA)

HU0003678A 1997-06-04 1997-06-04 Substituted naphthopyrans HUP0003678A2 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
PCT/US1997/009687 WO1998055457A1 (en)	1995-10-13	1997-06-04	Substituted naphthopyrans

Publications (1)

Publication Number	Publication Date
HUP0003678A2 true HUP0003678A2 (en)	2001-03-28

Family

ID=22261022

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
HU0003678A HUP0003678A2 (en)	1997-06-04	1997-06-04	Substituted naphthopyrans

Country Status (6)

Country	Link
JP (1)	JP2002502418A (en)
AU (1)	AU719249B2 (en)
CA (1)	CA2293834C (en)
DE (1)	DE69737400T2 (en)
HU (1)	HUP0003678A2 (en)
IL (1)	IL133261A0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6998072B2 (en) *	2001-11-01	2006-02-14	Transitions Optical, Inc.	Photochromic polymerizable compositions
EP1529780B1 (en) *	2003-11-05	2009-04-22	Corning Incorporated	Photochromic fused pyrans substitued with phenyl carrying a carbamyl or urea group

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3567605A (en) *	1966-03-30	1971-03-02	Ralph S Becker	Photochemical process
US3627690A (en) *	1969-10-01	1971-12-14	Itek Corp	Photochromic naphthopyran compositions
US5514817A (en) *	1994-08-04	1996-05-07	Ppg Industries, Inc.	Substituted phenanthropyrans

1997
- 1997-06-04 AU AU33773/97A patent/AU719249B2/en not_active Ceased
- 1997-06-04 HU HU0003678A patent/HUP0003678A2/en unknown
- 1997-06-04 DE DE69737400T patent/DE69737400T2/en not_active Expired - Lifetime
- 1997-06-04 IL IL13326197A patent/IL133261A0/en unknown
- 1997-06-04 CA CA002293834A patent/CA2293834C/en not_active Expired - Fee Related
- 1997-06-04 JP JP50231799A patent/JP2002502418A/en active Pending

Also Published As

Publication number	Publication date
CA2293834C (en)	2005-01-04
AU3377397A (en)	1998-12-21
DE69737400T2 (en)	2007-11-08
IL133261A0 (en)	2001-04-30
DE69737400D1 (en)	2007-04-05
AU719249B2 (en)	2000-05-04
CA2293834A1 (en)	1998-12-10
JP2002502418A (en)	2002-01-22

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