DE69526246T2 - Neuartiges photochromes, indeno-kondensiertes naphthopyran - Google Patents

Neuartiges photochromes, indeno-kondensiertes naphthopyran

Info

Publication number
DE69526246T2
DE69526246T2 DE69526246T DE69526246T DE69526246T2 DE 69526246 T2 DE69526246 T2 DE 69526246T2 DE 69526246 T DE69526246 T DE 69526246T DE 69526246 T DE69526246 T DE 69526246T DE 69526246 T2 DE69526246 T2 DE 69526246T2
Authority
DE
Germany
Prior art keywords
compounds
naphthopyran
indeno
photochrome
innovative
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 - Lifetime
Application number
DE69526246T
Other languages
English (en)
Other versions
DE69526246T3 (de
DE69526246D1 (de
Inventor
Gemert Barry Van
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=26988855&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69526246(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from US08/542,993 external-priority patent/US5645767A/en
Application filed by Transitions Optical Inc filed Critical Transitions Optical Inc
Application granted granted Critical
Publication of DE69526246D1 publication Critical patent/DE69526246D1/de
Publication of DE69526246T2 publication Critical patent/DE69526246T2/de
Publication of DE69526246T3 publication Critical patent/DE69526246T3/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D407/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group C07D405/00
    • C07D407/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group C07D405/00 containing two hetero rings
    • C07D407/04—Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group C07D405/00 containing two hetero rings directly linked by a ring-member-to-ring-member bond
    • 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
    • C07D311/94—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 condensed with rings other than six-membered or with ring systems containing such rings
    • 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
    • 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)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Pyrane Compounds (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Eyeglasses (AREA)
  • Epoxy Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
DE69526246T 1994-11-03 1995-11-03 Neuartiges photochromes, indeno-kondensiertes naphthopyran Expired - Lifetime DE69526246T3 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US33370194A 1994-11-03 1994-11-03
US333701 1994-11-03
US08/542,993 US5645767A (en) 1994-11-03 1995-10-13 Photochromic indeno-fused naphthopyrans
US542993 1995-10-13
PCT/US1995/014323 WO1996014596A1 (en) 1994-11-03 1995-11-03 Novel photochromic indeno-fused naphthopyrans

Publications (3)

Publication Number Publication Date
DE69526246D1 DE69526246D1 (de) 2002-05-08
DE69526246T2 true DE69526246T2 (de) 2003-03-06
DE69526246T3 DE69526246T3 (de) 2005-12-08

Family

ID=26988855

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69526246T Expired - Lifetime DE69526246T3 (de) 1994-11-03 1995-11-03 Neuartiges photochromes, indeno-kondensiertes naphthopyran

Country Status (12)

Country Link
EP (1) EP0792468B2 (de)
CN (1) CN1168725A (de)
AT (1) ATE215706T1 (de)
AU (1) AU683189B2 (de)
BR (1) BR9510330A (de)
CA (1) CA2204179C (de)
DE (1) DE69526246T3 (de)
ES (1) ES2174969T5 (de)
HU (1) HU218011B (de)
IL (1) IL115803A (de)
MX (1) MX9703276A (de)
WO (1) WO1996014596A1 (de)

Families Citing this family (98)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2757516B1 (fr) * 1996-12-23 1999-03-12 Corning Inc [benzofurane]naphtopyranes, les compositions et matrices (co)polymeres les renfermant
US5698141A (en) * 1996-06-17 1997-12-16 Ppg Industries, Inc. Photochromic heterocyclic fused indenonaphthopyrans
US5723072A (en) * 1996-06-17 1998-03-03 Ppg Industries, Inc. Photochromic heterocyclic fused indenonaphthopyrans
US5955520A (en) * 1996-06-17 1999-09-21 Ppg Industries, Inc. Photochromic indeno-fused naphthopyrans
US6018059A (en) * 1996-12-23 2000-01-25 Corning Incorporated (Benzofuran) naphthopyrans, the compositions and (co)polymer matrices containing them
EP0958288B1 (de) * 1997-09-22 2004-03-03 Rodenstock GmbH Photochrome naphthopyran-farbstoffe, verfahren zu ihrer herstellung, ihre verwendung sowie ein photochromer gegenstand
DE19741705A1 (de) * 1997-09-22 1999-04-01 Rodenstock Optik G Naphtopyrane
US5891368A (en) * 1997-10-01 1999-04-06 Ppg Industries, Inc. Fluoranthenopyrans
US6106744A (en) * 1997-12-03 2000-08-22 Ppg Industries Ohio, Inc. Photochromic pyrano-fused naphthopyrans
EP0987260B1 (de) * 1998-05-29 2004-03-03 Rodenstock GmbH Photochrome Spirofluorenopyrane
DE59901242D1 (de) * 1998-06-19 2002-05-23 Rodenstock Optik G Photochrome naphthopyrane
FR2783249B1 (fr) 1998-09-11 2001-06-22 Flamel Tech Sa Naphtopyranes anneles en c5-c6, leur preparation et les compositions et matrices (co)polymeres les renfermant
FR2783248A1 (fr) * 1998-09-11 2000-03-17 Flamel Tech Sa Naphtopyranes anneles en c5-c6, leur preparation, et les compositions et matrices (co)polymeres les renfermant
US5961892A (en) * 1998-09-11 1999-10-05 Ppg Industries Ohio, Inc. Polyalkoxylated naphthopyrans
FR2789680B1 (fr) 1999-02-17 2002-05-17 Corning Sa Naphtopyranes et phenanthropyranes anneles en c5-c6 avec un groupe bicyclique et les compositions et matrices (co)polymeres les renfermant
US6340765B1 (en) 1999-05-20 2002-01-22 Tokuyama Corporation Chromene compound
FR2794748B1 (fr) 1999-06-10 2001-09-21 Corning Sa Naphtopyranes anneles en c5-c6 avec un cycle c6 de type lactame et les compositions et matrices (co)polymeres les renfermant
EP1109802B1 (de) * 1999-07-02 2002-04-10 Optische Werke G. Rodenstock Spirofluorenopyrane
FR2800738B1 (fr) 1999-11-04 2002-02-08 Corning Sa Naphtopyranes ayant un substituant perfluoroalkyle en position 5, preparation et compositions et matrices (co)polymeres les renfermant
FR2800739B1 (fr) 1999-11-04 2002-10-11 Corning Sa Naphtopyranes avec un heterocycle en position 5,6, preparation et compositions et matrices (co) polymeres les renfermant
FR2801052B1 (fr) 1999-11-17 2004-04-02 Corning Sa Naphtopyranes anneles en c5-c6 par un carbocycle de type indene ou dihydronaphtalene et les compositions et matrices (co) polymeres les renfermant
FR2815034B1 (fr) * 2000-10-11 2003-02-07 Corning Sa Naphtopyranes anneles en c5-c6 par un carbocycle de type dihydrobenzocycloheptatriene et les compositions et matrices les refermant
ES2295321T3 (es) 2001-07-27 2008-04-16 Tokuyama Corporation Composicion curable, articulo curado obtenido a partir de ella y material optico fotocromico y procedimiento para su produccion.
US6608215B2 (en) 2001-09-20 2003-08-19 Vision-Ease Lens, Inc. Oxygen-containing heterocyclic fused naphthopyrans
US7008568B2 (en) 2001-11-20 2006-03-07 Vision-Ease Lens, Inc. Photochromic naphthopyran compounds: compositions and articles containing those naphthopyran compounds
WO2003097765A1 (fr) 2002-05-22 2003-11-27 Tokuyama Corporation Composition photochrome
US7087798B2 (en) 2002-08-29 2006-08-08 Tokuyama Corporation Process for preparation of spirofluorenols
DE60329016D1 (de) 2002-12-05 2009-10-08 Tokuyama Corp Beschichtungszusammensetzung und optisches erzeugnis
US7262295B2 (en) 2003-03-20 2007-08-28 Transitions Optical, Inc. Indeno-fused photochromic naphthopyrans, naphthols and photochromic articles
WO2005028465A1 (ja) 2003-09-18 2005-03-31 Tokuyama Corporation クロメン化合物
ES2326215T3 (es) 2003-11-05 2009-10-05 Corning Incorporated Piranos condensados fotocromicos sustituidos con fenilo que porta un grupo carbamilo o urea.
WO2005075193A1 (ja) 2004-02-03 2005-08-18 Tokuyama Corporation 積層体及びその製造方法
US7465415B2 (en) * 2004-07-30 2008-12-16 Ppg Industries Ohio, Inc. Photochromic materials derived from ring-opening monomers and photochromic initiators
JP5442258B2 (ja) 2005-11-10 2014-03-12 ローデンストック．ゲゼルシャフト．ミット．ベシュレンクテル．ハフツング 光互変性スピロジヒドロフェナントロピラン
US7556751B2 (en) * 2005-12-21 2009-07-07 Transitions Optical, Inc. Photochromic materials having electron-withdrawing substituents
CN101512395B (zh) 2006-06-30 2012-10-24 Hoya株式会社 光致变色膜和具有该膜的光致变色透镜、以及光致变色透镜的制造方法
AU2007265998B2 (en) 2006-06-30 2011-06-09 Tokuyama Corporation Method for producing photochromic optical article
CN101578343B (zh) 2007-02-22 2012-09-05 株式会社德山 涂层组合物及光致变色光学品
DE102008060096A1 (de) 2007-12-20 2009-06-25 Rodenstock Gmbh Photochrome Spirobenzopyranobenzopyrane
DE102009058906A1 (de) 2008-12-18 2010-06-24 Rodenstock Gmbh Photochrome Naphthopyrane mit Verbrückung zweier aromatischer Teilsysteme
EP2416204A1 (de) 2009-03-31 2012-02-08 Hoya Corporation System zur herstellung einer photochromen linse, vorrichtung zur herstellung einer photochromen linse, programm zur herstellung einer photochromen linse, aufzeichnungsmedium mit darauf aufgezeichnetem programm zur herstellung einer photochromen linse sowie verfahren zur herstellung einer photochromen linse
JP5567002B2 (ja) 2009-03-31 2014-08-06 Ｈｏｙａ株式会社 フォトクロミックレンズ製造システム、フォトクロミックレンズの製造プログラム、及び、フォトクロミックレンズの製造プログラムが記録された記録媒体
MX2011010922A (es) 2009-04-16 2012-02-29 Tokuyama Corp Composicion de imprimador para articulos opticos y articulos opticos.
JP2010270191A (ja) 2009-05-20 2010-12-02 Tokuyama Corp コーティング組成物および光学物品
WO2012018070A1 (ja) 2010-08-06 2012-02-09 株式会社トクヤマ フォトクロミック組成物
CN103068942B (zh) 2010-09-13 2015-09-30 株式会社德山 光学物品用底漆组合物及光学物品
US8859097B2 (en) * 2010-12-16 2014-10-14 Transitions Optical, Inc. Photochromic compounds, compositions and articles
US9034219B2 (en) * 2010-12-16 2015-05-19 Transitions Optical, Inc. Photochromic compounds and compositions
US8920928B2 (en) 2010-12-16 2014-12-30 Transitions Optical, Inc. Photochromic compounds and compositions
US8933220B2 (en) 2010-12-23 2015-01-13 Rodenstock Gmbh Photochromic fused naphthopyrans having a benzene ring which is adjacent to the pyran oxygen and is linked to the para substituent via both meta positions
AU2012233367B2 (en) * 2011-03-30 2015-07-16 Hoya Corporation Photochromic lens
MX2013011788A (es) 2011-04-13 2014-03-26 Tokuyama Corp Composicion fotocromica.
WO2012144460A1 (ja) 2011-04-18 2012-10-26 株式会社トクヤマ フォトクロミック組成物、及び該組成物を使用した光学物品
WO2012176918A1 (ja) 2011-06-23 2012-12-27 株式会社トクヤマ クロメン化合物
JP5933008B2 (ja) 2011-09-26 2016-06-08 ローデンシュトック ゲーエムベーハー フォトクロミック二重縮合ナフトピラン
CA2851998A1 (en) 2011-10-17 2013-04-25 Tokuyama Corporation (meth)acrylate compound and photochromic curable composition containing the (meth)acrylate compound
JP5852747B2 (ja) 2011-12-09 2016-02-03 ローデンシュトック ゲーエムベーハー フォトクロミックビス−インデノ縮合ナフトピラン
JP6049638B2 (ja) 2011-12-26 2016-12-21 株式会社トクヤマ フォトクロミック組成物
US8691915B2 (en) 2012-04-23 2014-04-08 Sabic Innovative Plastics Ip B.V. Copolymers and polymer blends having improved refractive indices
US20150030866A1 (en) 2012-04-27 2015-01-29 Tokuyama Corporation Photochromic curable composition
ES2578007T3 (es) 2012-07-12 2016-07-20 Rodenstock Gmbh Fluorenopiranos fotocrómicos con anillación Dibenzo[b,d]-pirano
EP2966144B1 (de) 2013-03-04 2017-10-25 Tokuyama Corporation Photochrome härtbare zusammensetzung
AU2014227009B2 (en) 2013-03-04 2017-03-16 Tokuyama Corporation Photochromic curable composition, cured product thereof and laminate including the cured product
US9029532B2 (en) * 2013-03-11 2015-05-12 Transitions Optical, Inc. 5,6-ring-substituted naphthopyran compounds
WO2014202194A1 (de) 2013-06-17 2014-12-24 Rodenstock Gmbh Uv-härtungskompatible photochrome annellierte naphthopyrane
CN105308074A (zh) 2013-07-09 2016-02-03 株式会社德山 光致变色固化性组合物
CN103344330B (zh) * 2013-07-31 2016-08-10 孟庆华 一种新型紫外线强度指示装置
CN105683334B (zh) 2013-11-11 2018-04-10 株式会社德山 光致变色组合物
EP3483197A1 (de) * 2014-05-07 2019-05-15 Mitsubishi Gas Chemical Company, Inc. Durch polykondensation hergestelltes harz und harzzusammensetzung
WO2018025508A1 (ja) 2016-08-02 2018-02-08 株式会社トクヤマ 接着性組成物、積層体、及び該積層体を用いた光学物品
SG11201900891TA (en) 2016-08-10 2019-02-27 Tokuyama Corp Photochromic curable composition, use thereof, and polyrotaxane monomers
WO2018054507A1 (de) 2016-09-26 2018-03-29 Rodenstock Gmbh Photochrome mehrfach-annellierte naphthopyrane mit sehr langwelliger absorption bis weit in den sichtbaren wellenbereich
BR112019027177A2 (pt) 2017-06-20 2020-06-30 Tokuyama Corporation composto de polirotaxano fotocrômico, composição curável, e, corpo curado fotocrômico
WO2019163728A1 (ja) 2018-02-23 2019-08-29 株式会社トクヤマ 機能性積層体、及び機能性積層体を用いた機能性レンズ
JP7246373B2 (ja) * 2018-03-22 2023-03-27 株式会社トクヤマ 被覆層を有するプラスチックレンズの製造方法
US11597874B2 (en) 2018-03-23 2023-03-07 Tokuyama Corporation Photochromic curable composition
JP7138161B2 (ja) 2018-03-30 2022-09-15 ホヤ レンズ タイランド リミテッド 光学物品の製造方法
WO2019189875A1 (ja) 2018-03-30 2019-10-03 ホヤ レンズ タイランド リミテッド 光学物品
US20210108113A1 (en) 2018-04-12 2021-04-15 Tokuyama Corporation Photochromic optical article and method for manufacturing same
CN108623554A (zh) * 2018-05-08 2018-10-09 天津孚信阳光科技有限公司 多取代茚稠环萘并吡喃光致变色化合物及其制备方法
DE102018004790A1 (de) 2018-06-14 2019-12-19 Rodenstock Gmbh Photochrome annellierte Naphthopyran-Systeme mit speziellen Substituenten zur Realisierung sehr schneller Aufhellgeschwindigkeiten
KR20210033976A (ko) 2018-07-20 2021-03-29 가부시끼가이샤 도꾸야마 포토크로믹 화합물, 및 해당 포토크로믹 화합물을 포함하여 이루어지는 경화성 조성물
CN109232507A (zh) * 2018-08-03 2019-01-18 中山海泓药业有限公司 一种色烯化合物及其制备方法
US20220137264A1 (en) 2019-03-29 2022-05-05 Hoya Lens Thailand Ltd. Polarizing lens and method for manufacturing the same
KR20210150386A (ko) 2019-04-03 2021-12-10 가부시끼가이샤 도꾸야마 포토크로믹 광학 물품 및 그의 제조 방법
US20230242809A1 (en) 2019-10-17 2023-08-03 Tokuyama Corporation Photochromic hydroxyurethane compound
CN111116541A (zh) * 2020-01-19 2020-05-08 浙江大学宁波理工学院 一种光致变色含氟萘并吡喃化合物
JPWO2021172513A1 (de) 2020-02-28 2021-09-02
CN115768746A (zh) 2020-05-28 2023-03-07 株式会社德山 光学材料用化合物、固化性组合物、固化物和光学物品
US20230280500A1 (en) 2020-08-06 2023-09-07 Tokuyama Corporation Photochromic compound, photochromic curable composition, cured body, lens and eyeglasses
US20240103200A1 (en) 2020-12-24 2024-03-28 Hoya Lens Thailand Ltd. Photochromic composition, photochromic article, and spectacles
KR20230137306A (ko) 2021-01-25 2023-10-04 가부시끼가이샤 도꾸야마 수지 조성물, 광학 적층체, 광학 물품, 렌즈 및 안경
CN116569077A (zh) 2021-02-08 2023-08-08 豪雅镜片泰国有限公司 光致变色化合物、光致变色组合物、光致变色物品及眼镜
MX2023010136A (es) 2021-03-08 2023-09-06 Tokuyama Corp Composicion curable fotocromica, laminado fotocromico y metodo para producir los mismos.
WO2022191334A1 (ja) 2021-03-12 2022-09-15 ホヤ レンズ タイランド リミテッド フォトクロミック化合物、フォトクロミック組成物、フォトクロミック物品及び眼鏡
KR20230169168A (ko) 2021-04-21 2023-12-15 가부시끼가이샤 도꾸야마 광학 물품, 안경 렌즈 및 안경
WO2022260167A1 (ja) 2021-06-11 2022-12-15 ホヤ レンズ タイランド リミテッド フォトクロミック化合物、フォトクロミック組成物、フォトクロミック物品及び眼鏡
CN113603667B (zh) * 2021-09-08 2023-04-25 天津孚信阳光科技有限公司 高溶解性光致变色化合物及其制备方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3627690A (en) * 1969-10-01 1971-12-14 Itek Corp Photochromic naphthopyran compositions
GB8614680D0 (en) * 1986-06-17 1986-07-23 Plessey Co Plc Photoreactive lenses
GB8712210D0 (en) * 1987-05-22 1987-06-24 Pilkington Brothers Plc Photochromic articles
US5066818A (en) * 1990-03-07 1991-11-19 Ppg Industries, Inc. Photochromic naphthopyran compounds

Also Published As

Publication number Publication date
CA2204179A1 (en) 1996-05-17
JP3029460B2 (ja) 2000-04-04
IL115803A (en) 2000-02-17
CA2204179C (en) 2002-01-08
CN1168725A (zh) 1997-12-24
EP0792468A4 (de) 1999-03-03
DE69526246T3 (de) 2005-12-08
EP0792468B1 (de) 2002-04-03
ES2174969T3 (es) 2002-11-16
BR9510330A (pt) 1998-06-02
ATE215706T1 (de) 2002-04-15
HUT77807A (hu) 1998-08-28
JPH10508031A (ja) 1998-08-04
HU218011B (hu) 2000-05-28
DE69526246D1 (de) 2002-05-08
EP0792468B2 (de) 2005-05-04
AU4102396A (en) 1996-05-31
IL115803A0 (en) 1996-01-19
MX9703276A (es) 1997-07-31
ES2174969T5 (es) 2005-11-16
WO1996014596A1 (en) 1996-05-17
EP0792468A1 (de) 1997-09-03
AU683189B2 (en) 1997-10-30

Similar Documents

Publication Publication Date Title
DE69526246D1 (de) Neuartiges photochromes, indeno-kondensiertes naphthopyran
CA2256478A1 (en) Novel photochromic indeno-fused naphthopyrans
CA2187100A1 (en) Novel substituted naphthopyrans
MY107029A (en) Photochromic naphthopyrans
EP1642895A3 (de) Neue substituierte Naphthopyrane
CA2343226A1 (en) Polyalkoxylated naphthopyrans
CA2343310A1 (en) Polymerizable polyalkoxylated naphthopyrans
ATE298331T1 (de) Hydroxylierte/carboxylierte naphthopyrane
CA2123500A1 (en) Photochromic Naphthopyran Compounds
CA2385728A1 (en) Novel photochromic naphthopyrans
US5200116A (en) Photochromic chromene compounds
US5723072A (en) Photochromic heterocyclic fused indenonaphthopyrans
CA2164949A1 (en) Photochromic Naphthopyran Compounds
WO2000002884A3 (en) Photochromic benzopyrano-fused naphthopyrans
BR0116758A (pt) Composto de naftopirano e artigo fotocrÈmico
DE3781454D1 (de) Fotochrome spiropyran-verbindungen.
BR0014575A (pt) Composto de naftopirano e artigo fotocrÈmico
WO1999020629A1 (en) 7-methylidene-5-oxo-furo fused naphthopyrans
ATE269318T1 (de) Substituierte photochromische 2h-naphtho(1,2- b)pyran verbindungen
WO2004047674A3 (en) Oxyge-containing heterocyclic fused naphthopyrans
CA2293834A1 (en) Substituted naphthopyrans
TH17383EX (th) สารประกอบแนฟโธไพแรนซึ่งถูกแทนที่ชนิดโฟโตโครมิค
KR20000016720A (ko) 신규한 광호변성 헤테로사이클릭 접합된 인데노나프토피란

Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: TRANSITIONS OPTICAL, INC., PINELLAS PARK, FLA., US

8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings