EP 0497465 B1 19970604 - Record material
Title (en)
Record material
Title (de)
Aufzeichnungsmaterial
Title (fr)
Matériel d'enregistrement
Publication
Application
Priority
US 64938391 A 19910201
Abstract (en)
[origin: EP0497465A1] Thermally- or pressure-sensitive record material comprises a substrate and a substituted phenol color developer material of the formula <CHEM> wherein: n is independently an integer from 1 to 4; m is independenty an integer from 1 to 4; each of R<1> amd R<2> is independently hydrogen, C1-C8 alkyl, or halogen; R<3> is allyl, benzyl or C1-C4 alkyl, preferably methyl; and either each of R<4> and R<5> is independently hydrogen or C1-C8 alkyl, or R<4> and R<5> together form a 5 or 6 membered alkyl ring.
IPC 1-7
IPC 8 full level
B41M 5/155 (2006.01); B41M 5/333 (2006.01)
CPC (source: EP)
B41M 5/155 (2013.01); B41M 5/3335 (2013.01)
Designated contracting state (EPC)
AT BE CH DE ES FR GB IT LI NL SE
DOCDB simple family (publication)
EP 0497465 A1 19920805; EP 0497465 B1 19970604; AT E153919 T1 19970615; CA 2056267 A1 19920802; DE 69220098 D1 19970710; DE 69220098 T2 19970925; ES 2102454 T3 19970801; FI 102598 B1 19990115; FI 102598 B 19990115; FI 920403 A0 19920129; FI 920403 A 19920802; JP H04310792 A 19921102
DOCDB simple family (application)
EP 92300349 A 19920115; AT 92300349 T 19920115; CA 2056267 A 19911127; DE 69220098 T 19920115; ES 92300349 T 19920115; FI 920403 A 19920129; JP 4234892 A 19920131