EP 0478045 B1 19950308 - Soft paper of high strength and method for production thereof.
Title (en)
Soft paper of high strength and method for production thereof.
Title (de)
Weiches hochfestes Papier und Verfahren zur Herstellung.
Title (fr)
Papier doux à haute tenacité et procédé de son préparation.
Publication
Application
Priority
SE 9002900 A 19900912
Abstract (en)
[origin: EP0478045A1] A paper having an advantageous combination of softness and strength is disclosed, which is based on a mixture of cellulosic pulps and in which a) 55-90% by weight, of the total amount of cellulose fibres consists of a hardwood pulp, a waste paper pulp or a mechanical or semi-mechanical cellulosic pulp, or a mixture thereof, having a drainage resistance below 25<0>SR, and b) 10-45% by weight, of the total amount of cellulose fibres consists of a sulphite pulp and/or sulphate pulp based on softwood and having a drainage resistance exceeding 30<0>SR. The paper can be produced by preparing a stock from the cellulosic pulps a) and b) in the above amounts, whereupon the stock is taken up on a wire, and is drained and dried in per se known manner.
IPC 1-7
IPC 8 full level
D21H 11/10 (2006.01)
CPC (source: EP)
D21H 11/10 (2013.01)
Citation (examination)
- Derwent's abstract No. 84-41023/07 SU 1008324, publ. week 8407
- Dialog Information Services, File 351, WPI 81-91, Dialog accession no. 2696010, (PAPER RES INST. et al), SU 779483, A, 801117, 8131 (Basic)
Designated contracting state (EPC)
AT BE CH DE ES FR GB GR IT LI NL SE
DOCDB simple family (publication)
EP 0478045 A1 19920401; EP 0478045 B1 19950308; AT E119595 T1 19950315; AU 636059 B2 19930408; AU 8377591 A 19920319; CA 2051218 A1 19920313; DE 69107940 D1 19950413; DE 69107940 T2 19950713; ES 2069819 T3 19950516; FI 914269 A0 19910910; FI 914269 A 19920313; FI 96335 B 19960229; FI 96335 C 19960610; NO 177938 B 19950911; NO 177938 C 19951220; NO 913436 D0 19910902; NO 913436 L 19920313; NZ 239562 A 19921125; SE 500524 C2 19940711; SE 9002900 D0 19900912; SE 9002900 L 19920313
DOCDB simple family (application)
EP 91202328 A 19910910; AT 91202328 T 19910910; AU 8377591 A 19910911; CA 2051218 A 19910912; DE 69107940 T 19910910; ES 91202328 T 19910910; FI 914269 A 19910910; NO 913436 A 19910902; NZ 23956291 A 19910827; SE 9002900 A 19900912