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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Optical Record Carriers And Manufacture Thereof (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 (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
HK24380A (en) 1980-05-16
NL7411587A (nl) 1975-03-04
FR2242452B1 (de) 1978-03-31
NL187018B (nl) 1990-12-03
DE2441759C2 (de) 1986-10-16
JPS5082029A (de) 1975-07-03

Similar Documents

Publication Publication Date Title
IT1008996B (it) Processo per la preparazione di iniziatori trilitioorganici e loro impiego
BR7408894D0 (pt) Processo de adsorcao
BR7400184D0 (pt) Processo de bromacao
IT1000836B (it) Composizioni polimeriche e processo per la loro fabbricazione
IT1022740B (it) Processo di preparazione di poliolefine
IT1022538B (it) Processo per la indrocianurazione di composti clefinici
IT1013149B (it) Processo di fabbricazione di metilmercaptano
IT1022689B (it) Perfluorocicloesileteri e processo per la loro preparazione
IT1046887B (it) Composti fotocromici e processo di loro preparazione
IT1022048B (it) Processo per la preparazione di perfluorononani
IT1022133B (it) Monoazopigmenti processo per la loro preparazione e loro impiego
IT1019678B (it) N-6-alchil-iminoalani-oligomerici e processo per la loro preparazione
BR7404709D0 (pt) Processo para preparacao de novos poliisocianatos
IT946460B (it) Idrossialchilamino alchilamidi e processo per la loro preparazione
IT1008211B (it) Bisolfuri di xantogenato e procedi mento per la loro produzione ed applicazione
BR7409999A (pt) Processo de obtencao de poli-n-aiquil-iminoalanos
IT1030606B (it) Composti fotocromatici e processo di loro preparazione
BR7402732D0 (pt) Processo para preparacao de nitro-2-halogeno-fenol
IT1008995B (it) Processo per la preparazione di butindiolo
IT1012820B (it) Processo per la preparazione di 1 cloroantrachinone
IT1020369B (it) Composti monoazoici idrosolubili processo per la loro produzione e loro impiego come coloranti
IT1014921B (it) Azopigmenti e processo per la lo ro preparazione
BR7403189D0 (pt) Processo para fabricacao de carbonamidas
IT1043498B (it) Processo per la preparazione di solfonilisocianati aromatici
IT1017726B (it) Monoazopigmenti e processo per la loro preparazione