NO158550C - Anvendelse av et stoff for paavisning av kopiering av dokumentet. - Google Patents

Anvendelse av et stoff for paavisning av kopiering av dokumentet.

Info

Publication number
NO158550C
NO158550C NO861265A NO861265A NO158550C NO 158550 C NO158550 C NO 158550C NO 861265 A NO861265 A NO 861265A NO 861265 A NO861265 A NO 861265A NO 158550 C NO158550 C NO 158550C
Authority
NO
Norway
Prior art keywords
disposal
copy
substance
document
Prior art date
Application number
NO861265A
Other languages
English (en)
Other versions
NO861265L (no
NO158550B (no
Inventor
Niels A Andersen
Original Assignee
Niels A Andersen
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 Niels A Andersen filed Critical Niels A Andersen
Priority to NO861265A priority Critical patent/NO158550C/no
Priority to EP87302601A priority patent/EP0241182A3/en
Publication of NO861265L publication Critical patent/NO861265L/no
Publication of NO158550B publication Critical patent/NO158550B/no
Publication of NO158550C publication Critical patent/NO158550C/no

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/04—Preventing copies being made of an original
NO861265A 1986-03-26 1986-03-26 Anvendelse av et stoff for paavisning av kopiering av dokumentet. NO158550C (no)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NO861265A NO158550C (no) 1986-03-26 1986-03-26 Anvendelse av et stoff for paavisning av kopiering av dokumentet.
EP87302601A EP0241182A3 (en) 1986-03-26 1987-03-25 An arrangement for revealing that a document has been copied

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO861265A NO158550C (no) 1986-03-26 1986-03-26 Anvendelse av et stoff for paavisning av kopiering av dokumentet.

Publications (3)

Publication Number Publication Date
NO861265L NO861265L (no) 1987-09-28
NO158550B NO158550B (no) 1988-06-20
NO158550C true NO158550C (no) 1988-09-28

Family

ID=19888841

Family Applications (1)

Application Number Title Priority Date Filing Date
NO861265A NO158550C (no) 1986-03-26 1986-03-26 Anvendelse av et stoff for paavisning av kopiering av dokumentet.

Country Status (2)

Country Link
EP (1) EP0241182A3 (no)
NO (1) NO158550C (no)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2620146B1 (fr) * 1987-09-03 1991-10-04 Arjomari Prioux Moyen, papier et document de securite contre la falsification par agent chimique et la contrefacon
GB2219525A (en) * 1988-06-08 1989-12-13 Bdk Ind Prod Ltd Adhesive packaging tape

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2889799A (en) * 1955-01-20 1959-06-09 Korpman Ralf Temperature indicator
DE2048853C3 (de) * 1969-10-07 1978-05-11 Xerox Corp., Rochester, N.Y. (V.St.A.) Verfahren zur Herstellung von nicht kopierbaren Schriftstücken

Also Published As

Publication number Publication date
NO861265L (no) 1987-09-28
NO158550B (no) 1988-06-20
EP0241182A3 (en) 1989-06-14
EP0241182A2 (en) 1987-10-14

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