JPS4923897B1 - - Google Patents

Info

Publication number
JPS4923897B1
JPS4923897B1 JP45102198A JP10219870A JPS4923897B1 JP S4923897 B1 JPS4923897 B1 JP S4923897B1 JP 45102198 A JP45102198 A JP 45102198A JP 10219870 A JP10219870 A JP 10219870A JP S4923897 B1 JPS4923897 B1 JP S4923897B1
Authority
JP
Japan
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.)
Pending
Application number
JP45102198A
Other languages
Japanese (ja)
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 filed Critical
Priority to JP45102198A priority Critical patent/JPS4923897B1/ja
Priority to FR7140953A priority patent/FR2114747A5/fr
Priority to US00199382A priority patent/US3773508A/en
Priority to GB5346971A priority patent/GB1356840A/en
Priority to DE19712157542 priority patent/DE2157542A1/en
Publication of JPS4923897B1 publication Critical patent/JPS4923897B1/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • G03C1/685—Compositions containing spiro-condensed pyran compounds or derivatives thereof, as photosensitive substances
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/163—Radiation-chromic compound

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
JP45102198A 1970-11-19 1970-11-19 Pending JPS4923897B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP45102198A JPS4923897B1 (en) 1970-11-19 1970-11-19
FR7140953A FR2114747A5 (en) 1970-11-19 1971-11-16
US00199382A US3773508A (en) 1970-11-19 1971-11-16 Imagewise exposing and heating a photosensitive composition containing a spiropyran compound and an organic peroxide
GB5346971A GB1356840A (en) 1970-11-19 1971-11-17 Material and process for photochemically forming photographic images
DE19712157542 DE2157542A1 (en) 1970-11-19 1971-11-19 Process for producing a permanent image

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP45102198A JPS4923897B1 (en) 1970-11-19 1970-11-19

Publications (1)

Publication Number Publication Date
JPS4923897B1 true JPS4923897B1 (en) 1974-06-19

Family

ID=14320947

Family Applications (1)

Application Number Title Priority Date Filing Date
JP45102198A Pending JPS4923897B1 (en) 1970-11-19 1970-11-19

Country Status (5)

Country Link
US (1) US3773508A (en)
JP (1) JPS4923897B1 (en)
DE (1) DE2157542A1 (en)
FR (1) FR2114747A5 (en)
GB (1) GB1356840A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7604219A (en) * 1975-04-24 1976-10-26 Cellophane Sa PROCEDURE FOR PREPARING STABILIZED PHOTOCHROME PREPARATIONS AND REGISTRATION MATERIALS MADE USING THESE PREPARATIONS.
IE56890B1 (en) * 1984-12-30 1992-01-15 Scully Richard L Photosensitive composition for direct positive colour photograph
JP2722617B2 (en) * 1989-02-27 1998-03-04 松下電器産業株式会社 Photochromic material
JP2722635B2 (en) * 1989-03-30 1998-03-04 松下電器産業株式会社 Method for producing photochromic material
US5501945A (en) * 1994-08-30 1996-03-26 The University Of Akron Method of using multichromic polymers in packaging
DE19646820C2 (en) * 1996-11-13 2001-03-01 Volker Bus Optically active spiropyran compounds, processes for their preparation and materials containing these spiropyrans
CN108148576A (en) * 2018-03-05 2018-06-12 天津孚信阳光科技有限公司 A kind of coloured bleach photochromic compound and preparation method thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3320067A (en) * 1963-09-03 1967-05-16 Polaroid Corp Composition and process utilizing photospirans
US3355293A (en) * 1964-02-26 1967-11-28 Ncr Co Conversion of benzo-indolinospiropyran image to fixed red image
US3501410A (en) * 1966-07-06 1970-03-17 Eastman Kodak Co Benzopyrylospiran photochrome containing an electron acceptor
US3642479A (en) * 1970-03-02 1972-02-15 Eastman Kodak Co Photographic element and process

Also Published As

Publication number Publication date
FR2114747A5 (en) 1972-06-30
GB1356840A (en) 1974-06-19
DE2157542A1 (en) 1972-05-25
US3773508A (en) 1973-11-20

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