EP 0419206 A1 19910327 - Vesiculated polymer granules and paper made therefrom.
Title (en)
Vesiculated polymer granules and paper made therefrom.
Title (de)
Zellenförmige Körnchen aus Polymer und daraus hergestelltes Papier.
Title (fr)
Granules cellulaires de polymères et papier ainsi fabriqué.
Publication
Application
Priority
- CA 614385 A 19890928
- US 41046689 A 19890921
Abstract (en)
An alkaline paper comprising polymeric vesiculated granules, calcium carbonate, and fibrous materials. Alkaline papers made according to the present invention have improved physical properties.
IPC 1-7
IPC 8 full level
C01F 11/18 (2006.01); D21H 17/53 (2006.01); D21H 17/67 (2006.01); D21H 21/36 (2006.01); D21H 21/54 (2006.01)
CPC (source: EP)
D21H 17/53 (2013.01); D21H 21/54 (2013.01)
Citation (search report)
- [X] EP 0307139 A2 19890315 - CANADIAN IND [CA]
- [X] GB 2201171 A 19880824 - LAPORTE INDUSTRIES LTD
Designated contracting state (EPC)
AT BE CH DE DK FR GB IT LI NL SE
DOCDB simple family (publication)
EP 0419206 A1 19910327; EP 0419206 B1 19940831; AT E110811 T1 19940915; AU 6309090 A 19910328; AU 635330 B2 19930318; CA 1335688 C 19950530; DE 69012028 D1 19941006; DE 69012028 T2 19941222; JP H03130497 A 19910604
DOCDB simple family (application)
EP 90310187 A 19900918; AT 90310187 T 19900918; AU 6309090 A 19900921; CA 614385 A 19890928; DE 69012028 T 19900918; JP 24762390 A 19900919