EP 0658229 A4 19971008 - ACID-TO-ALKALINE PAPERMAKING PROCESS.
Title (en)
ACID-TO-ALKALINE PAPERMAKING PROCESS.
Title (de)
SAURE BIS ALKALISCHE VERFAHREN ZUR HERSTELLUNG VON PAPIER.
Title (fr)
PROCEDE DE FABRICATION DE PAPIER DANS DES CONDITIONS ACIDES A ALCALINES.
Publication
Application
Priority
- US 9300320 W 19930112
- US 93266392 A 19920820
Abstract (en)
[origin: WO9404752A1] A fundamentally new papermaking process for the manufacture of paper, board and other wet-laid products on a paper machine under conditions ranging from acidic to alkaline from aqueous furnishes treated with in-situ-synthesized complex functional microgels.
IPC 1-7
IPC 8 full level
D21H 17/07 (2006.01); D21H 17/13 (2006.01); D21H 17/66 (2006.01); D21H 17/70 (2006.01)
CPC (source: EP)
D21H 17/07 (2013.01); D21H 17/13 (2013.01); D21H 17/66 (2013.01); D21H 17/70 (2013.01)
Citation (search report)
- [Y] US 5116418 A 19920526 - KALISKI ADAM F [US]
- See references of WO 9404752A1
Designated contracting state (EPC)
AT DE ES FR GB IT NL SE
DOCDB simple family (publication)
WO 9404752 A1 19940303; AR 246992 A1 19941031; AU 3472893 A 19940315; AU 666168 B2 19960201; CA 2142367 A1 19940303; CN 1082132 A 19940216; EP 0658229 A1 19950621; EP 0658229 A4 19971008; TW 283178 B 19960811
DOCDB simple family (application)
US 9300320 W 19930112; AR 32504893 A 19930531; AU 3472893 A 19930112; CA 2142367 A 19930112; CN 93106423 A 19930529; EP 93903481 A 19930112; TW 82102906 A 19930416