EP 0162661 A3 19870114 - CARBONLESS PAPER COPYING SYSTEM
Title (en)
CARBONLESS PAPER COPYING SYSTEM
Publication
Application
Priority
- US 61204484 A 19840518
- US 72818185 A 19850429
Abstract (en)
[origin: EP0162661A2] A color developing CF sheet for pressure-sensitive recording systems comprising an admixture of an alkylidenediphenol and calcium carbonate having a weight ratio of about 4 parts to about 12 parts phenol per 100 parts calcium carbonate. The admixture is formulated in high solids content coating colors having excellent rheological property and stability, which are used to produce CF sheets having a coating weight of about 4 to about 10 g/m2. Preferably, the CF sheet comprises Bisphenol A in an amount of 4 to 10 parts per 100 parts calcium carbonate and the calcium carbonate weight % in the CF coating is greater than 50%. Other embodiments comprise an aqueous dispersion of the admixture and a pressure-sensitive recording manifold.
IPC 1-7
IPC 8 full level
B41M 5/155 (2006.01)
CPC (source: EP)
B41M 5/155 (2013.01)
Citation (search report)
- [X] GB 1524900 A 19780913 - MOORE BUSINESS FORMS INC
- [X] GB 2088889 A 19820616 - FUJI PHOTO FILM CO LTD
- [X] GB 1309512 A 19730314 - FUJI PHOTO FILM CO LTD
- [X] PATENTS ABSTRACTS OF JAPAN, vol. 7, no. 59 (M-199)[1204], 11th March 1983; & JP-A-57 205 191 (RICOH K.K.) 16-12-1982
Designated contracting state (EPC)
AT BE CH DE FR GB IT LI LU NL SE
DOCDB simple family (publication)
EP 0162661 A2 19851127; EP 0162661 A3 19870114; CA 1219444 A 19870324
DOCDB simple family (application)
EP 85303416 A 19850515; CA 481745 A 19850517