Patent · US Active

Method for manufacturing paper, cardboard and paperboard using endo-beta-1,4-glucanases as dewatering means

US8394237B2 · kind B2 · utility

2Cited by

22References

13Claims

0Family size

Assignee

BASF SE Ludwigshafen · DE

Inventors

Torsten Klein
Christian Jehn-Rendu · Orange, FR
Hans-Georg Lemaire · Schifferstadt, DE
Oliver Koch · Eppelheim, DE

Key dates

Filing date	Aug 28, 2009
Grant date	Mar 12, 2013
Priority date	—
Expiry date	Nov 19, 2029

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD21H17/56
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

A process for the production of paper, board and cardboard by draining a paper stock on a wire in the presence of at least one cationic polymeric retention aid and/or retention aid system with sheet formation and drying of the sheets, wherein an endo-β-1,4-glucanase is metered in an amount of from 0.00001 to 0.01% by weight, based on the dry paper stock, into the paper stock before the addition of the at least one cationic polymeric retention aid and/or retention aid system.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.