DE4420378C1 - Photochrome Farbstoffe - Google Patents

Photochrome Farbstoffe

Info

Publication number
DE4420378C1
DE4420378C1 DE4420378A DE4420378A DE4420378C1 DE 4420378 C1 DE4420378 C1 DE 4420378C1 DE 4420378 A DE4420378 A DE 4420378A DE 4420378 A DE4420378 A DE 4420378A DE 4420378 C1 DE4420378 C1 DE 4420378C1
Authority
DE
Germany
Prior art keywords
photochromic
dyes
dye
molecules
dye according
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
DE4420378A
Other languages
German (de)
English (en)
Inventor
Manfred Dr Melzig
Herbert Dr Zinner
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.)
Optische Werke G Rodenstock
Original Assignee
Optische Werke G Rodenstock
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
Application filed by Optische Werke G Rodenstock filed Critical Optische Werke G Rodenstock
Priority to DE4420378A priority Critical patent/DE4420378C1/de
Priority to DE59504387T priority patent/DE59504387D1/de
Priority to EP95109016A priority patent/EP0686685B1/de
Application granted granted Critical
Publication of DE4420378C1 publication Critical patent/DE4420378C1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K9/00Tenebrescent 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
    • C09K9/02Organic tenebrescent materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Optical Filters (AREA)
  • Eyeglasses (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
DE4420378A 1994-06-10 1994-06-10 Photochrome Farbstoffe Expired - Fee Related DE4420378C1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE4420378A DE4420378C1 (de) 1994-06-10 1994-06-10 Photochrome Farbstoffe
DE59504387T DE59504387D1 (de) 1994-06-10 1995-06-12 Photochrome Farbstoffe
EP95109016A EP0686685B1 (de) 1994-06-10 1995-06-12 Photochrome Farbstoffe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4420378A DE4420378C1 (de) 1994-06-10 1994-06-10 Photochrome Farbstoffe

Publications (1)

Publication Number Publication Date
DE4420378C1 true DE4420378C1 (de) 1995-11-30

Family

ID=6520320

Family Applications (2)

Application Number Title Priority Date Filing Date
DE4420378A Expired - Fee Related DE4420378C1 (de) 1994-06-10 1994-06-10 Photochrome Farbstoffe
DE59504387T Expired - Fee Related DE59504387D1 (de) 1994-06-10 1995-06-12 Photochrome Farbstoffe

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE59504387T Expired - Fee Related DE59504387D1 (de) 1994-06-10 1995-06-12 Photochrome Farbstoffe

Country Status (2)

Country Link
EP (1) EP0686685B1 (enExample)
DE (2) DE4420378C1 (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7166357B2 (en) 2003-03-20 2007-01-23 Transitions Optical, Inc. Photochromic articles that activate behind ultraviolet radiation blocking transparencies and methods for preparation
US7342112B2 (en) 2003-07-01 2008-03-11 Ppg Industries Ohio, Inc. Photochromic compounds
US8211338B2 (en) 2003-07-01 2012-07-03 Transitions Optical, Inc Photochromic compounds
US7256921B2 (en) 2003-07-01 2007-08-14 Transitions Optical, Inc. Polarizing, photochromic devices and methods of making the same
US8518546B2 (en) 2003-07-01 2013-08-27 Transitions Optical, Inc. Photochromic compounds and compositions
US9096014B2 (en) 2003-07-01 2015-08-04 Transitions Optical, Inc. Oriented polymeric sheets exhibiting dichroism and articles containing the same
US7632540B2 (en) 2003-07-01 2009-12-15 Transitions Optical, Inc. Alignment facilities for optical dyes
US8545984B2 (en) 2003-07-01 2013-10-01 Transitions Optical, Inc. Photochromic compounds and compositions
US8698117B2 (en) 2003-07-01 2014-04-15 Transitions Optical, Inc. Indeno-fused ring compounds
GB0815109D0 (en) 2008-08-18 2008-09-24 James Robinson Ltd Polydialkylsiloxane-bridged bi-photochromic molecules
US10866455B2 (en) 2017-10-19 2020-12-15 Ppg Industries Ohio, Inc. Display devices including photochromic-dichroic compounds and dichroic compounds

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3567695A (en) * 1962-07-25 1971-03-02 Union Carbide Corp Blocked isocyanate polymer (iv)
US4043637A (en) * 1973-06-15 1977-08-23 American Optical Corporation Photochromic light valve
US4286957A (en) * 1979-01-10 1981-09-01 Essilor International "Cie Generale D'optique" Process of integrating a photochromic substance into an ophthalmic lens and a photochromic lens of organic material
EP0141407A2 (en) * 1983-11-04 1985-05-15 Ppg Industries, Inc. Photochromic compound and articles containing the same
DE3516568A1 (de) * 1985-05-08 1986-01-23 Optische Werke G. Rodenstock, 8000 München Verfahren zum einfaerben von brillenglaesern aus kunststoff mit organischen farbstoffen
EP0233295A1 (en) * 1985-08-13 1987-08-26 Fanuc Ltd. Mechanism for feeding wire in wire cut electric discharge machine
EP0245020A2 (en) * 1986-05-01 1987-11-11 Pilkington Plc Photochromic articles
US4816584A (en) * 1986-11-12 1989-03-28 Ppg Industries, Inc. Photochromic spiro(indoline)benzoxazines
DE3814631A1 (de) * 1988-04-29 1989-11-09 Rodenstock Optik G Photochrome substanzen (iv)
US4880667A (en) * 1985-09-24 1989-11-14 Ppg Industries, Inc. Photochromic plastic article and method for preparing same
DE3943522A1 (de) * 1989-07-26 1991-02-07 Boehringer Mannheim Gmbh Heterobifunktionelle verbindungen
US5066818A (en) * 1990-03-07 1991-11-19 Ppg Industries, Inc. Photochromic naphthopyran compounds
US5238981A (en) * 1992-02-24 1993-08-24 Transitions Optical, Inc. Photochromic naphthopyrans

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1223067B (it) * 1987-11-05 1990-09-12 Enichem Sintesi Composto fotocromatico ed articoli fotocromatici che lo contengono
JPH0543870A (ja) * 1991-08-21 1993-02-23 Toray Ind Inc フオトクロミツク性組成物
JPH0565477A (ja) * 1991-09-05 1993-03-19 Toray Ind Inc フオトクロミツク性材料

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3567695A (en) * 1962-07-25 1971-03-02 Union Carbide Corp Blocked isocyanate polymer (iv)
US4043637A (en) * 1973-06-15 1977-08-23 American Optical Corporation Photochromic light valve
US4286957B1 (enExample) * 1979-01-10 1991-08-13 Essilor Int
US4286957A (en) * 1979-01-10 1981-09-01 Essilor International "Cie Generale D'optique" Process of integrating a photochromic substance into an ophthalmic lens and a photochromic lens of organic material
EP0141407A2 (en) * 1983-11-04 1985-05-15 Ppg Industries, Inc. Photochromic compound and articles containing the same
US4637698A (en) * 1983-11-04 1987-01-20 Ppg Industries, Inc. Photochromic compound and articles containing the same
DE3516568A1 (de) * 1985-05-08 1986-01-23 Optische Werke G. Rodenstock, 8000 München Verfahren zum einfaerben von brillenglaesern aus kunststoff mit organischen farbstoffen
EP0233295A1 (en) * 1985-08-13 1987-08-26 Fanuc Ltd. Mechanism for feeding wire in wire cut electric discharge machine
US4880667A (en) * 1985-09-24 1989-11-14 Ppg Industries, Inc. Photochromic plastic article and method for preparing same
EP0245020A2 (en) * 1986-05-01 1987-11-11 Pilkington Plc Photochromic articles
US4816584A (en) * 1986-11-12 1989-03-28 Ppg Industries, Inc. Photochromic spiro(indoline)benzoxazines
DE3814631A1 (de) * 1988-04-29 1989-11-09 Rodenstock Optik G Photochrome substanzen (iv)
DE3943522A1 (de) * 1989-07-26 1991-02-07 Boehringer Mannheim Gmbh Heterobifunktionelle verbindungen
US5066818A (en) * 1990-03-07 1991-11-19 Ppg Industries, Inc. Photochromic naphthopyran compounds
US5238981A (en) * 1992-02-24 1993-08-24 Transitions Optical, Inc. Photochromic naphthopyrans

Also Published As

Publication number Publication date
DE59504387D1 (de) 1999-01-14
EP0686685A3 (enExample) 1995-12-27
EP0686685A2 (de) 1995-12-13
EP0686685B1 (de) 1998-12-02

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Legal Events

Date Code Title Description
8100 Publication of the examined application without publication of unexamined application
D1 Grant (no unexamined application published) patent law 81
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee