Patent · US Active

Wet strength enhancers for paper

US8025767B2 · kind B2 · utility

0Cited by

17References

7Claims

0Family size

Assignee

BASF SE

Inventors

Ellen Krueger · Otterstadt, DE
Martin Wendker · Ludwigshafen am Rhein, DE
Stefan Frenzel · Weinheim, DE
Claus Boettcher · Lambsheim, DE

Key dates

Filing date	Jul 7, 2008
Grant date	Sep 27, 2011
Priority date	—
Expiry date	Jul 7, 2028

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD21H17/72
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

They are mixtures of

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