SG50593A1 - Photochromic naphtopyran compounds - Google Patents

Photochromic naphtopyran compounds

Info

Publication number
SG50593A1
SG50593A1 SG1996005923A SG1996005923A SG50593A1 SG 50593 A1 SG50593 A1 SG 50593A1 SG 1996005923 A SG1996005923 A SG 1996005923A SG 1996005923 A SG1996005923 A SG 1996005923A SG 50593 A1 SG50593 A1 SG 50593A1
Authority
SG
Singapore
Prior art keywords
compounds
photochromic
photochromic naphtopyran
naphtopyran compounds
naphtopyran
Prior art date
Application number
SG1996005923A
Other languages
English (en)
Inventor
David B Knowles
Original Assignee
Ppg Industries 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
Application filed by Ppg Industries Inc filed Critical Ppg Industries Inc
Publication of SG50593A1 publication Critical patent/SG50593A1/en

Links

Classifications

    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
    • C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
    • C07D405/04—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings directly linked by a ring-member-to-ring-member bond
    • 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
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Pyrane Compounds (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Eyeglasses (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Optical Filters (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
SG1996005923A 1993-06-21 1994-06-13 Photochromic naphtopyran compounds SG50593A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/080,250 US5384077A (en) 1993-06-21 1993-06-21 Photochromic naphthopyran compounds

Publications (1)

Publication Number Publication Date
SG50593A1 true SG50593A1 (en) 1998-07-20

Family

ID=22156177

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1996005923A SG50593A1 (en) 1993-06-21 1994-06-13 Photochromic naphtopyran compounds

Country Status (11)

Country Link
US (2) US5384077A (ko)
EP (1) EP0704067B1 (ko)
JP (1) JP2839716B2 (ko)
KR (1) KR100267063B1 (ko)
CN (1) CN1053445C (ko)
AU (1) AU672126B2 (ko)
BR (1) BR9407267A (ko)
CA (1) CA2164949C (ko)
DE (1) DE69427859T2 (ko)
SG (1) SG50593A1 (ko)
WO (1) WO1995000866A1 (ko)

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DE69427859D1 (de) 2001-09-06
BR9407267A (pt) 1996-10-01
EP0704067B1 (en) 2001-08-01
KR960703238A (ko) 1996-06-19
AU672126B2 (en) 1996-09-19
AU7173294A (en) 1995-01-17
CA2164949C (en) 1999-06-15
US5458815A (en) 1995-10-17
DE69427859T2 (de) 2002-04-11
CN1053445C (zh) 2000-06-14
JP2839716B2 (ja) 1998-12-16
JPH08512031A (ja) 1996-12-17
KR100267063B1 (ko) 2000-09-15
CA2164949A1 (en) 1995-01-05
WO1995000866A1 (en) 1995-01-05
US5384077A (en) 1995-01-24
EP0704067A4 (en) 1996-02-02
CN1125985A (zh) 1996-07-03
EP0704067A1 (en) 1996-04-03

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