Patent · US Active

Method for producing polymer powders that can be easily redispersed in water

US7820738B2 · kind B2 · utility

2Cited by

9References

19Claims

0Family size

Assignee

BASF SE

Inventors

Ines Pietsch · Speyer, DE
Joachim Pakusch · Ludwigshafen, DE
Oliver Reese · Lemförde, DE
Heinrich Sack · Haßloch, DE

Key dates

Filing date	Feb 18, 2005
Grant date	Oct 26, 2010
Priority date	—
Expiry date	Apr 27, 2027

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08J3/122
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

A process for the preparation of a readily water-redispersible polymer powder by spray drying of an aqueous polymer dispersion in the presence of a novel spray drying assistant.

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