FR2226688B3 - - Google Patents

Info

Publication number
FR2226688B3
FR2226688B3 FR7413471A FR7413471A FR2226688B3 FR 2226688 B3 FR2226688 B3 FR 2226688B3 FR 7413471 A FR7413471 A FR 7413471A FR 7413471 A FR7413471 A FR 7413471A FR 2226688 B3 FR2226688 B3 FR 2226688B3
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
FR7413471A
Other languages
French (fr)
Other versions
FR2226688A1 (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.)
Yeda Research and Development Co Ltd
Original Assignee
Yeda Research and Development 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 Yeda Research and Development Co Ltd filed Critical Yeda Research and Development Co Ltd
Publication of FR2226688A1 publication Critical patent/FR2226688A1/en
Application granted granted Critical
Publication of FR2226688B3 publication Critical patent/FR2226688B3/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00—Inking and printing with a printer's forme
    • B41M1/26—Printing on other surfaces than ordinary paper
    • B41M1/36—Printing on other surfaces than ordinary paper on pretreated paper, e.g. parchment, oiled paper, paper for registration purposes
    • 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
    • G03C1/725—Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705 containing inorganic compounds
    • 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
    • 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
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/08—Photoprinting; Processes and means for preventing photoprinting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
    • B41M3/14—Security printing

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Paper (AREA)
  • Color Printing (AREA)
FR7413471A 1973-04-22 1974-04-18 Photo-copying-proof recording medium - contains photo-chromic cpd. darkening rapidly in strong light Granted FR2226688A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IL42090A IL42090A (en) 1973-04-22 1973-04-22 Photocopying prevention

Publications (2)

Publication Number Publication Date
FR2226688A1 FR2226688A1 (en) 1974-11-15
FR2226688B3 true FR2226688B3 (en) 1977-02-18

Family

ID=11047083

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7413471A Granted FR2226688A1 (en) 1973-04-22 1974-04-18 Photo-copying-proof recording medium - contains photo-chromic cpd. darkening rapidly in strong light

Country Status (4)

Country Link
JP (1) JPS5029808A (en)
DE (1) DE2419278A1 (en)
FR (1) FR2226688A1 (en)
IL (1) IL42090A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5731587A (en) * 1980-07-31 1982-02-20 Toppan Printing Co Ltd Selective duplication of part of informations included in duplicating manuscript
FR2618812B1 (en) * 1987-07-30 1990-04-27 Vicat Sa ANTICOPY PRINT-WRITE MEDIUM AND ASSOCIATED METHOD
ZA9710835B (en) * 1996-12-23 1998-06-12 Standard Register Co Photochromic security system.

Also Published As

Publication number Publication date
IL42090A0 (en) 1974-06-30
FR2226688A1 (en) 1974-11-15
DE2419278A1 (en) 1974-11-07
IL42090A (en) 1977-01-31
JPS5029808A (en) 1975-03-25

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Legal Events

Date Code Title Description
ST Notification of lapse