IT1030606B - Composti fotocromatici e processo di loro preparazione - Google Patents

Composti fotocromatici e processo di loro preparazione

Info

Publication number
IT1030606B
IT1030606B IT2683174A IT2683174A IT1030606B IT 1030606 B IT1030606 B IT 1030606B IT 2683174 A IT2683174 A IT 2683174A IT 2683174 A IT2683174 A IT 2683174A IT 1030606 B IT1030606 B IT 1030606B
Authority
IT
Italy
Prior art keywords
photocromatic
compounds
preparation process
preparation
photocromatic compounds
Prior art date
Application number
IT2683174A
Other languages
English (en)
Italian (it)
Original Assignee
Heller H G
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 Heller H G filed Critical Heller H G
Application granted granted Critical
Publication of IT1030606B publication Critical patent/IT1030606B/it

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)
IT2683174A 1973-09-01 1974-08-30 Composti fotocromatici e processo di loro preparazione IT1030606B (it)

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
IT1030606B true IT1030606B (it) 1979-04-10

Family

ID=10418742

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2683174A IT1030606B (it) 1973-09-01 1974-08-30 Composti fotocromatici e processo di loro preparazione

Country Status (7)

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

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
KR850002328A (ko) * 1983-09-07 1985-05-10 알. 니콜슨 가변색 화합물과 그 제조방법 및 이를 이용한 가변색 렌즈
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
DE2441759A1 (de) 1975-03-13
NL7411587A (nl) 1975-03-04
NL187018C (nl) 1991-05-01
JPS5082029A (https=) 1975-07-03
NL187018B (nl) 1990-12-03
FR2242452B1 (https=) 1978-03-31
HK24380A (en) 1980-05-16
DE2441759C2 (de) 1986-10-16
JPS611425B2 (https=) 1986-01-17
FR2242452A1 (https=) 1975-03-28

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