Patent · US Expired

Fine-particled amphoteric aqueous polymer dispersion method for production and use thereof

US7579414B2 · kind B2 · utility

4Cited by

4References

13Claims

0Family size

Assignee

BASF SE

Inventors

Hildegard Kukula · Mannheim, DE
Roland Ettl · Haßloch, DE
Rainer Dyllick-Brenzinger · Speyer, DE
Bernhard Sturm · Davis, US

Key dates

Filing date	Jun 3, 2005
Grant date	Aug 25, 2009
Priority date	—
Expiry date	Dec 27, 2025

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD21H17/45
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

Finely divided, amphoteric, aqueous polymer dispersions which are obtainable by a two-stage polymerization, a prepolymer being prepared in the first polymerization stage from a monomer mixture comprising

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