Global Patent Index - EP 0011303 A3

EP 0011303 A3 19800820 - PROCESS FOR THE MANUFACTURE OF PAPER, PAPER ADDITIVE COMPOSITION AND PAPER OF IMPROVED SURFACE PROPERTIES

Title (en)

PROCESS FOR THE MANUFACTURE OF PAPER, PAPER ADDITIVE COMPOSITION AND PAPER OF IMPROVED SURFACE PROPERTIES

Publication

EP 0011303 A3 19800820 (EN)

Application

EP 79104549 A 19791116

Priority

US 96250478 A 19781120

Abstract (en)

[origin: EP0011303A2] This invention discloses a process for the manufacture of paper having retained therein high levels of starch wherein such starch is a specially treated, cooked, cross-linked starch which is added with a poly-electrolyte at the wet end of the paper manufacturing process or sprayed on the web in the paper-forming process. The invention also relates to a novel wet-end paper additive composition which includes the specially treated, cooked, cross-linked starch and a polyelectrolyte and the improved paper produced therefrom.

IPC 1-7

D21D 3/00; D21H 3/28; C08L 3/00

IPC 8 full level

D21H 17/34 (2006.01); D21H 17/28 (2006.01); D21H 17/37 (2006.01)

CPC (source: EP)

D21H 17/28 (2013.01); D21H 17/375 (2013.01)

Citation (search report)

Designated contracting state (EPC)

DE FR GB IT NL SE

DOCDB simple family (publication)

EP 0011303 A2 19800528; EP 0011303 A3 19800820; EP 0011303 B1 19840516; AR 220792 A1 19801128; AU 5295579 A 19800612; AU 535015 B2 19840301; BR 7907487 A 19800624; CA 1148688 A 19830621; DE 2966992 D1 19840620; DK 490679 A 19800521; ES 486102 A0 19801101; ES 8100381 A1 19801101; FI 63083 B 19821231; FI 63083 C 19830411; FI 793635 A 19800521; JP H02478 B2 19900108; JP S5576200 A 19800609; NO 793717 L 19800521; NZ 191979 A 19820309

DOCDB simple family (application)

EP 79104549 A 19791116; AR 27889279 A 19791114; AU 5295579 A 19791119; BR 7907487 A 19791119; CA 340124 A 19791119; DE 2966992 T 19791116; DK 490679 A 19791119; ES 486102 A 19791119; FI 793635 A 19791120; JP 14961779 A 19791120; NO 793717 A 19791116; NZ 19197979 A 19791030