IL42090A0 - Photocopying prevention - Google Patents

Photocopying prevention

Info

Publication number
IL42090A0
IL42090A0 IL42090A IL4209073A IL42090A0 IL 42090 A0 IL42090 A0 IL 42090A0 IL 42090 A IL42090 A IL 42090A IL 4209073 A IL4209073 A IL 4209073A IL 42090 A0 IL42090 A0 IL 42090A0
Authority
IL
Israel
Prior art keywords
photocopying
prevention
photocopying prevention
Prior art date
Application number
IL42090A
Other versions
IL42090A (en
Original Assignee
Yeda Res & Dev
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 Res & Dev filed Critical Yeda Res & Dev
Priority to IL42090A priority Critical patent/IL42090A/en
Priority to FR7413471A priority patent/FR2226688A1/en
Priority to JP49044357A priority patent/JPS5029808A/ja
Priority to DE2419278A priority patent/DE2419278A1/en
Publication of IL42090A0 publication Critical patent/IL42090A0/en
Publication of IL42090A publication Critical patent/IL42090A/en

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)
IL42090A 1973-04-22 1973-04-22 Photocopying prevention IL42090A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IL42090A IL42090A (en) 1973-04-22 1973-04-22 Photocopying prevention
FR7413471A FR2226688A1 (en) 1973-04-22 1974-04-18 Photo-copying-proof recording medium - contains photo-chromic cpd. darkening rapidly in strong light
JP49044357A JPS5029808A (en) 1973-04-22 1974-04-19
DE2419278A DE2419278A1 (en) 1973-04-22 1974-04-22 NON-COPY RECORDING MEDIUM AND METHOD OF MANUFACTURING THE SAME

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
IL42090A0 true IL42090A0 (en) 1974-06-30
IL42090A IL42090A (en) 1977-01-31

Family

ID=11047083

Family Applications (1)

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

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
IL42090A (en) 1977-01-31
FR2226688B3 (en) 1977-02-18
JPS5029808A (en) 1975-03-25
DE2419278A1 (en) 1974-11-07
FR2226688A1 (en) 1974-11-15

Similar Documents

Publication Publication Date Title
JPS514464A (en) Junkatsuyu no saiseihoho
JPS5133102A (en) Sekitan no gasukahoho
JPS511558A (en) Atsushukuhizumi no hikui shirokisanerasutomaa
AU6820074A (en) Azolyl-amidines
AU6876974A (en) Railbed
JPS5195985A (en) Fukugodenkyokutai no seizoho
AU6727174A (en) Improved mercathode
AU7373674A (en) D-homo-steroids
AU7015174A (en) Glucuronyl-glucosamino-glycan-sulphonates
ZA7447B (en) Fastener-washer combination
AU7137874A (en) Phenolaldehydes
AU6566574A (en) Photoelectrophoresis
AU6616174A (en) Flag-stone
AU7351374A (en) Carbo-chlorination
JPS5152867A (en) yobihyojibanoyobi hizukehyojiban no kudosochi
IL42090A0 (en) Photocopying prevention
AU7548574A (en) Photocopying
JPS5110895A (en) Horikaaboneeto no seizohoho
JPS5137457A (en) Sokohoisuto no itsusoboshisochi
AU6797274A (en) Dichlorothiazolylureas
AU6598974A (en) 6-amino-th-benzocyclohepten-7-ones
JPS5129210A (en) Mushukaninnikumatsu no seizoho
JPS517064A (en) Goseimeiboku no seizohoho
AU6737674A (en) Projectors
GB1491021A (en) Copying apparatus