HK24380A - Photochromic compounds - Google Patents

Photochromic compounds

Info

Publication number
HK24380A
HK24380A HK24380A HK24380A HK24380A HK 24380 A HK24380 A HK 24380A HK 24380 A HK24380 A HK 24380A HK 24380 A HK24380 A HK 24380A HK 24380 A HK24380 A HK 24380A
Authority
HK
Hong Kong
Prior art keywords
photochromic compounds
photochromic
compounds
Prior art date
Application number
HK24380A
Other languages
English (en)
Original Assignee
Plessey Co Ltd
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 Plessey Co Ltd filed Critical Plessey Co Ltd
Publication of HK24380A publication Critical patent/HK24380A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00—Photosensitive materials
    • G03C1/72—Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705
    • G03C1/73—Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705 containing organic compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Furan Compounds (AREA)
  • Pyrrole Compounds (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
HK24380A 1973-09-01 1980-05-08 Photochromic compounds HK24380A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4123373A GB1442628A (en) 1973-09-01 1973-09-01 Photochromic compounds

Publications (1)

Publication Number Publication Date
HK24380A true HK24380A (en) 1980-05-16

Family

ID=10418742

Family Applications (1)

Application Number Title Priority Date Filing Date
HK24380A HK24380A (en) 1973-09-01 1980-05-08 Photochromic compounds

Country Status (7)

Country Link
JP (1) JPS611425B2 (de)
DE (1) DE2441759C2 (de)
FR (1) FR2242452B1 (de)
GB (1) GB1442628A (de)
HK (1) HK24380A (de)
IT (1) IT1030606B (de)
NL (1) NL187018C (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4220708A (en) * 1977-07-22 1980-09-02 Heller Harold G Photochromic compounds
GB1600615A (en) * 1977-10-28 1981-10-21 Plessey Co Ltd Photochromic compounds
DE3482181D1 (de) * 1983-09-07 1990-06-13 Plessey Co Plc Photochromische verbindungen und ihre verwendung in photoreaktiven linsen.
DE69023865T2 (de) * 1989-07-28 1996-10-17 Wako Pure Chem Ind Ltd Fulgimidderivate.
AU658271B2 (en) * 1992-03-26 1995-04-06 Tanabe Seiyaku Co., Ltd. Butadiene derivatives and process for preparing the same

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1271655A (en) * 1968-03-25 1972-04-26 Hawker Siddeley Dynamics Ltd Derivatives of fulgimide

Also Published As

Publication number Publication date
GB1442628A (en) 1976-07-14
NL187018C (nl) 1991-05-01
FR2242452A1 (de) 1975-03-28
JPS611425B2 (de) 1986-01-17
DE2441759A1 (de) 1975-03-13
NL7411587A (nl) 1975-03-04
IT1030606B (it) 1979-04-10
FR2242452B1 (de) 1978-03-31
NL187018B (nl) 1990-12-03
DE2441759C2 (de) 1986-10-16
JPS5082029A (de) 1975-07-03

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