FR2242452A1 - - Google Patents

Info

Publication number
FR2242452A1
FR2242452A1 FR7429508A FR7429508A FR2242452A1 FR 2242452 A1 FR2242452 A1 FR 2242452A1 FR 7429508 A FR7429508 A FR 7429508A FR 7429508 A FR7429508 A FR 7429508A FR 2242452 A1 FR2242452 A1 FR 2242452A1
Authority
FR
France
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.)
Granted
Application number
FR7429508A
Other languages
French (fr)
Other versions
FR2242452B1 (nl
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.)
HELLER HAROLD GB
Original Assignee
HELLER HAROLD GB
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 HAROLD GB filed Critical HELLER HAROLD GB
Publication of FR2242452A1 publication Critical patent/FR2242452A1/fr
Application granted granted Critical
Publication of FR2242452B1 publication Critical patent/FR2242452B1/fr
Expired legal-status Critical Current

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)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR7429508A 1973-09-01 1974-08-29 Expired FR2242452B1 (nl)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2242452A1 true FR2242452A1 (nl) 1975-03-28
FR2242452B1 FR2242452B1 (nl) 1978-03-31

Family

ID=10418742

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7429508A Expired FR2242452B1 (nl) 1973-09-01 1974-08-29

Country Status (7)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2398102A1 (fr) * 1977-07-22 1979-02-16 Heller Harold Composes photochromes

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1600615A (en) * 1977-10-28 1981-10-21 Plessey Co Ltd Photochromic compounds
GB2146327B (en) * 1983-09-07 1986-11-26 Plessey Co Plc Photochromic fused-ring organic compounds and their use in photoreactive lenses
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2398102A1 (fr) * 1977-07-22 1979-02-16 Heller Harold Composes photochromes

Also Published As

Publication number Publication date
GB1442628A (en) 1976-07-14
IT1030606B (it) 1979-04-10
DE2441759C2 (de) 1986-10-16
JPS611425B2 (nl) 1986-01-17
NL187018B (nl) 1990-12-03
FR2242452B1 (nl) 1978-03-31
NL7411587A (nl) 1975-03-04
JPS5082029A (nl) 1975-07-03
DE2441759A1 (de) 1975-03-13
HK24380A (en) 1980-05-16
NL187018C (nl) 1991-05-01

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Legal Events

Date Code Title Description
ST Notification of lapse