EP 0093209 A1 19831109 - Improved chemical carbonless copy paper and image receptor medium therefor.
Title (en)
Improved chemical carbonless copy paper and image receptor medium therefor.
Title (de)
Chemisches kohlefreies Kopierpapier und Bildempfangsmedium hierfür.
Title (fr)
Papier de copiage chimique sans carbone et milieu récepteur d'image.
Publication
Application
Priority
EP 82302224 A 19820429
Abstract (en)
Improved receptor or CF coating composition for chemical carbonless copy paper employing spirit blue in carbinol form as a dye precursor type chromogenic reagent material.
IPC 1-7
IPC 8 full level
B41M 5/136 (2006.01)
CPC (source: EP)
B41M 5/1366 (2013.01)
Citation (search report)
- [Y] FR 2408465 A1 19790608 - BAYER AG [DE]
- [Y] DE 1066594 B 19591008
- [Y] DE 1167854 B 19640416 - PELIKAN WERKE WAGNER GUENTHER
- [Y] FR 2393684 A1 19790105 - CIBA GEIGY AG [CH], et al
- [Y] US 2755202 A 19560717 - JEAN BAION WALTER, et al
- [Y] US 4226442 A 19801007 - CARLSON GENE D, et al
- [Y] US 2981738 A 19610425 - KRANZ FREDERICK H
- [A] US 3443945 A 19690513 - FICHTER HARRY L JR
- [YD] PIGMENT HANDBOOK, vol. 1, Properties and Economics, Editor: T.C. Patton, 1973, John Wiley & Sons, Inc., New York, USA
Designated contracting state (EPC)
DE FR GB IT SE
DOCDB simple family (publication)
DOCDB simple family (application)
EP 82302224 A 19820429