EP 0415385 A1 19910306 - Method of making paper.
Title (en)
Method of making paper.
Title (de)
Verfahren zur Herstellung von Papier.
Title (fr)
Méthode pour fabriquer du papier.
Publication
Application
Priority
JP 22387489 A 19890830
Abstract (en)
Disclosed is a method of making paper and paper board using a starch urea phosphate, which has a gelatinization temperature of 35 - 55 DEG C and contains phosphorus atoms chemically bonded to the starch in an amount of at least 0.4 % by weight and phosphorus atoms present as cold-water soluble phosphorous compounds in the starch in an amount of 0.1 % by weight or less.
IPC 1-7
IPC 8 full level
D21H 17/28 (2006.01); D21H 19/54 (2006.01)
CPC (source: EP)
D21H 17/28 (2013.01); D21H 19/54 (2013.01)
Citation (search report)
- [X] US 3459632 A 19690805 - CALDWELL CARLYLE G, et al
- [X] DATABASE WPIL,nØ 87-188027,Derwent Publications & JP-A-62116602(SANWA DENPUN) 28-05-87
Designated contracting state (EPC)
DE FR GB NL SE
DOCDB simple family (publication)
EP 0415385 A1 19910306; EP 0415385 B1 19951108; DE 69023436 D1 19951214; DE 69023436 T2 19960404; JP 2788298 B2 19980820; JP H0390695 A 19910416
DOCDB simple family (application)
EP 90116567 A 19900829; DE 69023436 T 19900829; JP 22387489 A 19890830