EP 0330685 B1 19920603 - CHROMOGENIC COPY SYSTEM AND METHODS
Title (en)
CHROMOGENIC COPY SYSTEM AND METHODS
Publication
Application
Priority
- US 7632687 A 19870722
- US 10159387 A 19870928
Abstract (en)
[origin: WO8900506A1] A pressure-sensitive chromogenic copy system comprising a transfer sheet having on at least a portion of at least one surface thereof a color developer capable of reacting with a chromogen to form a color image, said color developer comprising a crude reaction medium resulting from reactants used to prepare a salicylate and also containing therein at least one metal compound of such salicylate, the resultant transfer sheet, color developer and process for making such color developer.
IPC 1-7
IPC 8 full level
B41M 5/124 (2006.01); B41M 5/155 (2006.01); C09D 11/00 (2006.01); C09D 11/02 (2006.01)
CPC (source: EP)
B41M 5/155 (2013.01)
Designated contracting state (EPC)
AT BE CH DE FR GB IT LI NL SE
DOCDB simple family (publication)
WO 8900506 A1 19890126; AT E76816 T1 19920615; AU 2262288 A 19890213; AU 608651 B2 19910411; BR 8807134 A 19891017; CA 1305321 C 19920721; DE 3871771 D1 19920709; DE 3871771 T2 19921210; DK 147489 A 19890322; DK 147489 D0 19890322; EP 0330685 A1 19890906; EP 0330685 A4 19890809; EP 0330685 B1 19920603; FI 884964 A0 19881027; FI 884964 A 19890123; JP H02500428 A 19900215
DOCDB simple family (application)
US 8802366 W 19880719; AT 88906823 T 19880719; AU 2262288 A 19880719; BR 8807134 A 19880719; CA 572860 A 19880722; DE 3871771 T 19880719; DK 147489 A 19890322; EP 88906823 A 19880719; FI 884964 A 19881027; JP 50683088 A 19880719