EP 0839669 A1 19980506 - Heat-sensitive recording meterial
Title (en)
Heat-sensitive recording meterial
Title (de)
Wärmeempfindliches Aufzeichnungsmaterial
Title (fr)
Matériau d'enregistrement sensible à la chaleur
Publication
Application
Priority
EP 96117693 A 19961105
Abstract (en)
A heat-sensitive recording material, comprising a heat-sensitive recording layer containing at least one acid hydrazide compound represented by the following general formula (I): <CHEM> wherein X1 and X2 each independently represent a hydrogen atom, a hydroxyl group, a halogen atom, or an alkyl group or alkoxy group having 1 to 10 carbon atoms, A represents -CO- or -SO2-, n is 1 or 2, when n is 1, R1 represents an alkyl group, an aryl group, a hydroxyaryl group, an alkoxyaryl group, or an alkylaryl group having 1 to 22 carbon atoms, and when n is 2, R1 represents an alkylene group or arylene group having 1 to 18 carbon atoms or a direct bond.
IPC 1-7
IPC 8 full level
B41M 5/333 (2006.01); B41M 5/30 (2006.01)
CPC (source: EP)
B41M 5/3335 (2013.01); B41M 5/3336 (2013.01)
Citation (applicant)
- JP S62156987 A 19870711 - MITSUBISHI PAPER MILLS LTD
- JP S62238788 A 19871019 - RICOH KK
- JP H0316788 A 19910124 - RICOH KK
- JP S56155791 A 19811202 - HONSHU PAPER CO LTD
Citation (search report)
- [A] US 4334015 A 19820608 - YARIAN DEAN R
- [X] PATENT ABSTRACTS OF JAPAN vol. 017, no. 255 (P - 1539) 20 May 1993 (1993-05-20)
- [AD] PATENT ABSTRACTS OF JAPAN vol. 015, no. 134 (M - 1099) 3 April 1991 (1991-04-03)
Designated contracting state (EPC)
BE CH DE ES FR GB LI NL
DOCDB simple family (publication)
DOCDB simple family (application)
EP 96117693 A 19961105