EP 0072380 A1 19830223 - Colour-developer sheet for carbonless copying system.
Title (en)
Colour-developer sheet for carbonless copying system.
Title (de)
Farbentwicklungsfolie für kohlefreie Aufzeichnungsbögen.
Title (fr)
Feuille de développement pour système d'enregistrement sans carbone.
Publication
Application
Priority
EP 81303712 A 19810814
Abstract (en)
A colour-developer sheet, for use in a carbonless copying system, having a coating comprising a solid particulate activated clay with, preferably, a dispersant therefor; calcium carbonate; and a binder of polyvinyl alcohol and styrene-butadiene.
IPC 1-7
IPC 8 full level
B41M 5/155 (2006.01)
CPC (source: EP)
B41M 5/1555 (2013.01)
Citation (search report)
- GB 760080 A 19561031 - NCR CO
- US 3223546 A 19651214 - HEMSTOCK GLEN A
- GB 2050407 A 19810107 - MITSUBISHI PAPER MILLS LTD
- DE 1001292 C
- US 3622364 A 19711123 - SUGAHARA YUJIRO, et al
- DE 1152429 B 19630808 - NCR CO
- GB 2028888 A 19800312 - MITSUBISHI PAPER MILLS LTD
Designated contracting state (EPC)
AT BE CH DE FR GB IT LI LU NL SE
DOCDB simple family (publication)
DOCDB simple family (application)
EP 81303712 A 19810814