FR2114747A5 - - Google Patents

Info

Publication number
FR2114747A5
FR2114747A5 FR7140953A FR7140953A FR2114747A5 FR 2114747 A5 FR2114747 A5 FR 2114747A5 FR 7140953 A FR7140953 A FR 7140953A FR 7140953 A FR7140953 A FR 7140953A FR 2114747 A5 FR2114747 A5 FR 2114747A5
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.)
Expired
Application number
FR7140953A
Other languages
French (fr)
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.)
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film Co Ltd
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 Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Application granted granted Critical
Publication of FR2114747A5 publication Critical patent/FR2114747A5/fr
Expired 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)
FR7140953A 1970-11-19 1971-11-16 Expired FR2114747A5 (en)

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
FR2114747A5 true FR2114747A5 (en) 1972-06-30

Family

ID=14320947

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7140953A Expired FR2114747A5 (en) 1970-11-19 1971-11-16

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)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5155230A (en) * 1989-02-27 1992-10-13 Matsushita Electric Industrial Co., Ltd. Photochromic dinitrated spiropyrans
EP0389813B1 (en) * 1989-03-30 1994-08-17 Matsushita Electric Industrial Co., Ltd. A method for preparing a photochromic material

Families Citing this family (5)

* 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
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5155230A (en) * 1989-02-27 1992-10-13 Matsushita Electric Industrial Co., Ltd. Photochromic dinitrated spiropyrans
EP0389813B1 (en) * 1989-03-30 1994-08-17 Matsushita Electric Industrial Co., Ltd. A method for preparing a photochromic material

Also Published As

Publication number Publication date
GB1356840A (en) 1974-06-19
DE2157542A1 (en) 1972-05-25
US3773508A (en) 1973-11-20
JPS4923897B1 (en) 1974-06-19

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Legal Events

Date Code Title Description
ST Notification of lapse