Title:
THERMALLY-ACTIVATED RECEIVING MEDIA IN A FACSIMILE TRANSMISSION SYSTEM
Document Type and Number:
WIPO Patent Application WO1993000668
Kind Code:
A3
Abstract:
A printing medium for the printing of images thereon to form a document by the printer of a standard facsimile machine in a manner which renders the document unreadable to a casual observer. There is a strip of a flexible printing medium receivable by the facsimile machine, and a strip of an obscuring medium adhesively and removably attached to the printing medium in a manner which will allow the obscuring medium to pass through the facsimile machine in combination with the printing medium The adhesive is a permanently tacky base adhesive into which is mixed a dispersion of fine particles, preferably polytetrafluoroethylene spheroids, which have the effect of reducing adhesive build. The preferred base adhesive is a plasticized blend of a vinyl acetate copolymer emulsion and an ethylene-vinyl acetate copolymer emulsion.
Inventors:
ABBER HERMAN (US)
LUSSIER ROBERT H (US)
LUSSIER ROBERT H (US)
Application Number:
PCT/US1992/005451
Publication Date:
February 18, 1993
Filing Date:
June 26, 1992
Export Citation:
Assignee:
DENNISON MFG CO (US)
International Classes:
C09J7/35; G09C5/00; (IPC1-7): G09C5/00; C09J7/02
Foreign References:
| US5001749A | 1991-03-19 | |||
| EP0414922A1 | 1991-03-06 |
Other References:
PATENT ABSTRACTS OF JAPAN vol. 14, no. 106 (C-694)27 February 1990 & JP,A,01 311 182 ( KOHJIN ) 15 December 1989
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