FR2191157B1 - - Google Patents

Info

Publication number
FR2191157B1
FR2191157B1 FR7223184A FR7223184A FR2191157B1 FR 2191157 B1 FR2191157 B1 FR 2191157B1 FR 7223184 A FR7223184 A FR 7223184A FR 7223184 A FR7223184 A FR 7223184A FR 2191157 B1 FR2191157 B1 FR 2191157B1
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
FR7223184A
Other versions
FR2191157A1 (en
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to FR7223184A priority Critical patent/FR2191157A1/fr
Priority to JP1072173A priority patent/JPS5544935B2/ja
Priority to DE2319439A priority patent/DE2319439C3/de
Priority to US372405A priority patent/US3871886A/en
Publication of FR2191157A1 publication Critical patent/FR2191157A1/fr
Application granted granted Critical
Publication of FR2191157B1 publication Critical patent/FR2191157B1/fr
Granted 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
    • 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)
  • 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)
FR7223184A 1972-06-27 1972-06-27 Photochromatic recording material - contg indoline or benzothiazoline-spiropyrans ketones and doped oxides Granted FR2191157A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR7223184A FR2191157A1 (en) 1972-06-27 1972-06-27 Photochromatic recording material - contg indoline or benzothiazoline-spiropyrans ketones and doped oxides
JP1072173A JPS5544935B2 (fr) 1972-06-27 1973-01-25
DE2319439A DE2319439C3 (de) 1972-06-27 1973-04-17 Photochromes Aufzeichnungsmaterial und Kopierverfahren unter Verwendung eines photochromen Aufzeichnungsmaterials
US372405A US3871886A (en) 1972-06-27 1973-06-21 Photochromic copying method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7223184A FR2191157A1 (en) 1972-06-27 1972-06-27 Photochromatic recording material - contg indoline or benzothiazoline-spiropyrans ketones and doped oxides

Publications (2)

Publication Number Publication Date
FR2191157A1 FR2191157A1 (en) 1974-02-01
FR2191157B1 true FR2191157B1 (fr) 1976-10-29

Family

ID=9100889

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7223184A Granted FR2191157A1 (en) 1972-06-27 1972-06-27 Photochromatic recording material - contg indoline or benzothiazoline-spiropyrans ketones and doped oxides

Country Status (1)

Country Link
FR (1) FR2191157A1 (fr)

Also Published As

Publication number Publication date
FR2191157A1 (en) 1974-02-01

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse