EP 1023493 A4 20011024 - CELLULOSE FILTER PAPER SATURANT
Title (en)
CELLULOSE FILTER PAPER SATURANT
Title (de)
TRÄNKMITTEL FÜR ZELLSTOFFFILTERPAPIER
Title (fr)
AGENT D'IMPREGNATION DE PAPIER FILTRE EN CELLULOSE
Publication
Application
Priority
- US 9818624 W 19980908
- US 5967597 P 19970918
Abstract (en)
[origin: WO9914431A1] An aqueous saturant for cellulose papers comprising a hydrolyzed polyvinyl alcohol and a formaldehyde resin, wherein the polyvinyl alcohol and the formaldehyde resin are substantially or completely dissolved in the system. The invention is also directed to methods for making and using the saturant. The system is also directed to paper, e.g., filter paper, made with the saturant as well as methods for making paper with the saturant.
IPC 1-7
IPC 8 full level
B01D 39/18 (2006.01); D21H 19/20 (2006.01); D21H 19/24 (2006.01); D21H 27/08 (2006.01); D21H 17/36 (2006.01); D21H 17/47 (2006.01)
CPC (source: EP KR)
B01D 39/18 (2013.01 - EP); D21H 17/33 (2013.01 - KR); D21H 27/08 (2013.01 - EP); D21H 17/36 (2013.01 - EP); D21H 17/47 (2013.01 - EP)
Citation (search report)
- [X] US 3630831 A 19711228 - JONGETJES HENDRIK
- [X] DE 1444078 A1 19681010 - JOHNSON & JOHNSON
- See references of WO 9914431A1
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
WO 9914431 A1 19990325; AU 9224598 A 19990405; EP 1023493 A1 20000802; EP 1023493 A4 20011024; JP 2001516824 A 20011002; KR 20010024108 A 20010326
DOCDB simple family (application)
US 9818624 W 19980908; AU 9224598 A 19980908; EP 98944792 A 19980908; JP 2000511959 A 19980908; KR 20007002863 A 20000317