CA2163488C - Systeme de verification et de mise en valeur de documents utilisant un papier thermographique multicolore - Google Patents

Systeme de verification et de mise en valeur de documents utilisant un papier thermographique multicolore

Info

Publication number
CA2163488C
CA2163488C CA 2163488 CA2163488A CA2163488C CA 2163488 C CA2163488 C CA 2163488C CA 2163488 CA2163488 CA 2163488 CA 2163488 A CA2163488 A CA 2163488A CA 2163488 C CA2163488 C CA 2163488C
Authority
CA
Canada
Prior art keywords
coating
document
heat
chromogenic
application
Prior art date
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 - Fee Related
Application number
CA 2163488
Other languages
English (en)
Other versions
CA2163488A1 (fr
Inventor
John C.H. Chang
Eric B. Wendler
Vance P. Gregory, Jr.
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.)
Wallace Computer Services Inc
Original Assignee
Wallace Computer Services Inc
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
Priority claimed from US08/416,283 external-priority patent/US5618063A/en
Application filed by Wallace Computer Services Inc filed Critical Wallace Computer Services Inc
Publication of CA2163488A1 publication Critical patent/CA2163488A1/fr
Application granted granted Critical
Publication of CA2163488C publication Critical patent/CA2163488C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

CA 2163488 1995-04-04 1995-11-22 Systeme de verification et de mise en valeur de documents utilisant un papier thermographique multicolore Expired - Fee Related CA2163488C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/416,283 1995-04-04
US08/416,283 US5618063A (en) 1992-12-09 1995-04-04 Multicolor heat-sensitive verification and highlighting system

Publications (2)

Publication Number Publication Date
CA2163488A1 CA2163488A1 (fr) 1996-10-05
CA2163488C true CA2163488C (fr) 2001-01-30

Family

ID=23649340

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2163488 Expired - Fee Related CA2163488C (fr) 1995-04-04 1995-11-22 Systeme de verification et de mise en valeur de documents utilisant un papier thermographique multicolore

Country Status (1)

Country Link
CA (1) CA2163488C (fr)

Also Published As

Publication number Publication date
CA2163488A1 (fr) 1996-10-05

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