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IT1046887B - PHOTOCROMIC COMPOUNDS AND THEIR PREPARATION PROCESS - Google Patents

PHOTOCROMIC COMPOUNDS AND THEIR PREPARATION PROCESS

Info

Publication number
IT1046887B
IT1046887B IT2569275A IT2569275A IT1046887B IT 1046887 B IT1046887 B IT 1046887B IT 2569275 A IT2569275 A IT 2569275A IT 2569275 A IT2569275 A IT 2569275A IT 1046887 B IT1046887 B IT 1046887B
Authority
IT
Italy
Prior art keywords
photocromic
compounds
preparation process
preparation
photocromic compounds
Prior art date
Application number
IT2569275A
Other languages
Italian (it)
Original Assignee
Heller H
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 filed Critical Heller H
Application granted granted Critical
Publication of IT1046887B publication Critical patent/IT1046887B/en

Links

Classifications

    • 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)
  • Plural Heterocyclic Compounds (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Furan Compounds (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
IT2569275A 1974-07-31 1975-07-23 PHOTOCROMIC COMPOUNDS AND THEIR PREPARATION PROCESS IT1046887B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3371974A GB1464603A (en) 1974-07-31 1974-07-31 Substituted organic photochromic compounds and processes for their preparation

Publications (1)

Publication Number Publication Date
IT1046887B true IT1046887B (en) 1980-07-31

Family

ID=10356577

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2569275A IT1046887B (en) 1974-07-31 1975-07-23 PHOTOCROMIC COMPOUNDS AND THEIR PREPARATION PROCESS

Country Status (6)

Country Link
JP (1) JPS6052150B2 (en)
DE (1) DE2532224C2 (en)
FR (1) FR2280637A1 (en)
GB (1) GB1464603A (en)
IT (1) IT1046887B (en)
NL (1) NL7508987A (en)

Families Citing this family (14)

* 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
GB2104504B (en) * 1981-07-16 1985-05-09 English Clays Lovering Pochin Stabilisation of photochromic fulgides and fulgimides
BR8404401A (en) * 1983-09-07 1985-07-30 Plessey Co Plc COMPOUND, HELIOCHROMIC COMPOUND, PROCESS OF ITS PREPARATION AND OPHTHALMIC LENS OR PHOTORREATIVE FLAT FACE
JPS60160563A (en) * 1984-01-18 1985-08-22 Toshiba Battery Co Ltd Manufacture of positive electrode for nonaqueous electrolyte battery
JPS60198053A (en) * 1984-02-23 1985-10-07 Toshiba Battery Co Ltd Manufacture of positive electrode for nonaqueous electrolyte battery
GB8501779D0 (en) * 1985-01-24 1985-02-27 Plessey Co Plc Photochromic 3-pyrryl fulgides
GB8613420D0 (en) * 1986-06-03 1986-07-09 Plessey Co Plc Photochromic gamma butyrolactones
EP0239376A3 (en) * 1986-03-27 1988-05-11 Gec-Marconi Limited Contrast enhanced photolithography
JPS62242677A (en) * 1986-04-16 1987-10-23 Agency Of Ind Science & Technol Photochromic material
JPS63101374A (en) * 1986-10-17 1988-05-06 Agency Of Ind Science & Technol Intermediate for photochromic material
GB8620430D0 (en) * 1986-08-22 1986-10-01 Plessey Co Plc Marking of articles
DE4007636A1 (en) * 1990-03-10 1991-09-12 Basf Ag PHOTOCHROME MONOMERS AND PHOTOCHROME POLYMERISATES MADE THEREOF
US9164480B2 (en) * 2006-12-14 2015-10-20 General Electric Company Holographic data storage device and method of making

Also Published As

Publication number Publication date
NL7508987A (en) 1976-02-03
JPS6052150B2 (en) 1985-11-18
FR2280637A1 (en) 1976-02-27
DE2532224A1 (en) 1976-02-12
DE2532224C2 (en) 1986-03-06
GB1464603A (en) 1977-02-16
FR2280637B1 (en) 1980-03-07
JPS5136449A (en) 1976-03-27

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