Patent · US Expired

Polyvinyl-alcohol-stabilized redispersible powders with plasticizing properties

US7250468B2 · kind B2 · utility

7Cited by

4References

5Claims

0Family size

Assignee

WACKER POLYMER SYSTEMS GMBH & CO. KG · DE

Inventors

Reinhard Härzschel · Burghausen, DE
Thomas Bastelberger · Emmerting, DE
Ulf Dietrich · Bad Kötzting, DE
Armin Hoffmann · Landsberg, DE

Key dates

Filing date	Apr 7, 2004
Grant date	Jul 31, 2007
Priority date	—
Expiry date	Jan 19, 2025

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L29/04
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

Polyvinyl-alcohol-stabilized redispersible powders which have plasticizing properties are obtained by drying polyvinyl-alcohol-stabilized aqueous dispersions of polymers of one or more monomers from the group of vinyl esters of optionally branched C1-18 alkylcarboxylic acids, (meth)acrylic esters of optionally branched C1-15 alcohols, dienes, olefins, vinylaromatics and vinylhalides,

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