DE69800587D1 - Photochrome Zusammensetzungen mit verbessertem Ausbleichverhalten - Google Patents

Photochrome Zusammensetzungen mit verbessertem Ausbleichverhalten

Info

Publication number
DE69800587D1
DE69800587D1 DE69800587T DE69800587T DE69800587D1 DE 69800587 D1 DE69800587 D1 DE 69800587D1 DE 69800587 T DE69800587 T DE 69800587T DE 69800587 T DE69800587 T DE 69800587T DE 69800587 D1 DE69800587 D1 DE 69800587D1
Authority
DE
Germany
Prior art keywords
improved bleaching
photochromic compositions
bleaching behavior
behavior
photochromic
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
DE69800587T
Other languages
English (en)
Other versions
DE69800587T2 (de
Inventor
Sivaram Krishnan
Robert A Pyles
James B Johnson
Michael P Jenkins
Timothy J Pike
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.)
Bayer AG
Bayer Corp
Original Assignee
Bayer AG
Bayer Corp
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 Bayer AG, Bayer Corp filed Critical Bayer AG
Publication of DE69800587D1 publication Critical patent/DE69800587D1/de
Application granted granted Critical
Publication of DE69800587T2 publication Critical patent/DE69800587T2/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
    • C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
    • C08K5/0041—Optical brightening agents, organic pigments
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • C08L67/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
    • C08L69/005—Polyester-carbonates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
DE69800587T 1997-07-02 1998-06-23 Photochrome Zusammensetzungen mit verbessertem Ausbleichverhalten Expired - Fee Related DE69800587T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/887,075 US5998520A (en) 1997-07-02 1997-07-02 Photochromic compositions having improved fade rate

Publications (2)

Publication Number Publication Date
DE69800587D1 true DE69800587D1 (de) 2001-04-19
DE69800587T2 DE69800587T2 (de) 2001-08-09

Family

ID=25390412

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69800587T Expired - Fee Related DE69800587T2 (de) 1997-07-02 1998-06-23 Photochrome Zusammensetzungen mit verbessertem Ausbleichverhalten

Country Status (7)

Country Link
US (1) US5998520A (de)
EP (1) EP0889084B1 (de)
JP (1) JP4121189B2 (de)
CA (1) CA2240092A1 (de)
DE (1) DE69800587T2 (de)
ES (1) ES2154919T3 (de)
TW (1) TW466254B (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6065836A (en) * 1998-07-30 2000-05-23 Bayer Corporation Photochromic ophthalmic lens
US6103777A (en) * 1998-12-18 2000-08-15 Bayer Corporation Thermoplastic composition suitable for optical applications having low haze values
WO2001042747A2 (en) * 1999-12-09 2001-06-14 Skyrad Ltd. Dosimeter for sun radiation for use with sunscreen lotion
US20020107334A1 (en) * 2000-12-05 2002-08-08 Sivaram Krishnan Tinted plastic articles and thermoplastic composition for its preparation
US7465414B2 (en) 2002-11-14 2008-12-16 Transitions Optical, Inc. Photochromic article
WO2011010307A1 (en) 2009-07-24 2011-01-27 Skyrad Ltd Improved color changing polymer-based article
EP2284218A1 (de) * 2009-07-27 2011-02-16 Georg Fischer DEKA GmbH Polymerzusammensetzung für Photobioreaktoren
EP2481771B1 (de) * 2011-01-26 2017-05-03 THÜRINGISCHES INSTITUT FÜR TEXTIL- UND KUNSTSTOFF-FORSCHUNG e.V. Polymerzusammensetzung und Verfahren zur Herstellung von Produkten mit variabler biologischer Abbaubarkeit
WO2015148619A1 (en) * 2014-03-25 2015-10-01 Sabic Global Technologies B.V. Color changing material
US20210284778A1 (en) 2020-03-11 2021-09-16 Alcon Inc. Photochromic polydiorganosiloxane vinylic crosslinkers
WO2021245551A1 (en) 2020-06-02 2021-12-09 Alcon Inc. Method for making photochromic contact lenses
US11945181B2 (en) 2020-10-28 2024-04-02 Alcon Inc. Method for making photochromic contact lenses
EP4240579A1 (de) 2020-11-04 2023-09-13 Alcon Inc. Verfahren zur herstellung von photochromen kontaktlinsen
US11886045B2 (en) 2020-11-04 2024-01-30 Alcon Inc. Method for making photochromic contact lenses
TWI817375B (zh) 2021-03-08 2023-10-01 瑞士商愛爾康公司 用於生產水凝膠接觸鏡片之方法及由其獲得之水凝膠接觸鏡片
WO2022208450A1 (en) 2021-04-01 2022-10-06 Alcon Inc. Method for making photochromic contact lenses
TW202406726A (zh) 2022-04-28 2024-02-16 瑞士商愛爾康公司 用於製造ｕｖ吸收性和ｈｅｖｌ吸收性眼科鏡片之方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1186987A (en) * 1967-08-30 1970-04-08 Fuji Photo Film Co Ltd Photochromic Compounds
JPS4948631B1 (de) * 1968-10-28 1974-12-23
US4342668A (en) * 1978-09-08 1982-08-03 American Optical Corporation Photochromic compounds
US4215010A (en) * 1978-09-08 1980-07-29 American Optical Corporation Photochromic compounds
GB8611837D0 (en) * 1986-05-15 1986-06-25 Plessey Co Plc Photochromic spiropyran compounds
US4931221A (en) * 1988-12-30 1990-06-05 Ppg Industries, Inc. Photochromic spiropyran compounds
DE69015886T2 (de) * 1989-06-05 1995-08-03 Tokuyama Corp Fotochromische Verbindung, deren Zusammensetzung und Verwendung.
BR9307220A (pt) * 1992-09-25 1999-05-25 Ppg Industries Inc Artigo ótico fotocrómico
DE4304488C1 (de) * 1993-02-15 1994-06-01 Heinz Jakob Verfahren zur Herstellung eines photochromen Formkörpers aus Kunststoff, ein Zwischenprodukt und die nach dem Verfahren erhältlichen Formkörper
WO1994020869A1 (en) * 1993-03-12 1994-09-15 Ppg Industries, Inc. Novel benzopyrans
US5552090A (en) * 1993-06-21 1996-09-03 Ppg Industries, Inc. Photochromic naphthopyran compounds
US5708064A (en) * 1993-10-15 1998-01-13 Ppg Industries, Inc. High refractive index photochromic ophthalmic article
US5451344A (en) * 1994-04-08 1995-09-19 Transitions Optical, Inc. Photochromic naphthopyran compounds
US5628935A (en) * 1994-10-28 1997-05-13 Vision-Ease Lens, Inc. Photochromic spironaphthopyran compounds

Also Published As

Publication number Publication date
EP0889084A1 (de) 1999-01-07
ES2154919T3 (es) 2001-04-16
TW466254B (en) 2001-12-01
JP4121189B2 (ja) 2008-07-23
JPH1135812A (ja) 1999-02-09
DE69800587T2 (de) 2001-08-09
US5998520A (en) 1999-12-07
CA2240092A1 (en) 1999-01-02
EP0889084B1 (de) 2001-03-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee