EP 0707112 A1 19960417 - Improving the quality of coated paper
Title (en)
Improving the quality of coated paper
Title (de)
Verbesserung der Qualität von beschichtetem Papier
Title (fr)
Amélioration de la qualité de papier revêtu
Publication
Application
Priority
GB 9420777 A 19941014
Abstract (en)
There is disclosed a method for improving the ease of application of a final inorganic pigment-containing coating to a cellulosic sheet material which has been coated with at least one preliminary inorganic pigment-containing coating. The method comprises incorporating into the preliminary coating or into at least one of the preliminary coatings, up to 2% by weight, based upon the weight of the inorganic pigment, of a sizing reagent, such as an alkyl ketene dimer. A composition for use in the method is also disclosed.
IPC 1-7
IPC 8 full level
B05D 7/00 (2006.01); B32B 29/00 (2006.01); D21H 19/44 (2006.01); D21H 19/46 (2006.01); D21H 19/82 (2006.01); D21H 21/16 (2006.01)
CPC (source: EP)
D21H 19/44 (2013.01); D21H 19/46 (2013.01); D21H 19/822 (2013.01); D21H 21/16 (2013.01)
Citation (applicant)
- US 2627477 A 19530203 - DOWNEY WILLIAM F
- US 3102064 A 19630827 - WURZBURG OTTO B, et al
- GB 1032536 A 19660608 - ENGLISH CLAYS LOVERING POCHIN
Citation (search report)
- [X] US 4962072 A 19901009 - COOPER JOHN B [GB], et al
- [X] EP 0495591 A1 19920722 - JUJO PAPER CO LTD [JP]
- [A] EP 0487497 A1 19920527 - PATRIA PAPIER & ZELLSTOFF [AT]
- [X] DATABASE WPI Section Ch Week 9409, Derwent World Patents Index; Class A82, AN 94-072445
Designated contracting state (EPC)
AT BE CH DE DK ES FR GR IE IT LI LU NL PT SE
DOCDB simple family (publication)
EP 0707112 A1 19960417; AU 3298695 A 19960426; AU 700129 B2 19981224; BR 9504397 A 19970527; CA 2159130 A1 19960415; FI 954803 A0 19951009; FI 954803 A 19960415; GB 2293991 A 19960417; GB 2293991 B 19980610; GB 9420777 D0 19941130; JP H08183145 A 19960716; NO 953841 D0 19950928; NO 953841 L 19960415; TW 305900 B 19970521
DOCDB simple family (application)
EP 95306964 A 19951002; AU 3298695 A 19950929; BR 9504397 A 19951013; CA 2159130 A 19950926; FI 954803 A 19951009; GB 9420777 A 19941014; JP 26589295 A 19951013; NO 953841 A 19950928; TW 84113143 A 19951209