Patent · US Expired

Use of aqueous film-forming preparations based on copolymers of methacrylic acid alkyl esters for coating mineral shaped bodies

US6372287B1 · kind B1 · utility

1Cited by

7References

9Claims

0Family size

Assignee

BASF SE

Inventors

Manfred Schwartz · Bischofswerda, DE
Bertold Bechert
Harm Wiese · Heidelberg, DE
Wolfgang Hümmer · Birkenheide, DE
Bernd Reck · Arnstadt, DE

Key dates

Filing date	Sep 11, 2000
Grant date	Apr 16, 2002
Priority date	—
Expiry date	Sep 11, 2020

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F20/18
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present invention provides for the use of aqueous film-forming formulations comprising at least one copolymer P as film-forming constituent which is present in disperse form in the formulation and is composed of ethylenically unsaturated monomers M, the monomers M comprisingi. from 70 to 99.9% by weight of at least one ester of methacrylic acid with a C1-C10-alkanol andii. from 0.1 to 30% by weight of at least one different monoethylenically unsaturated monomerand at least 50% by weight of the monomers M being other than methyl methacrylate and not more than 1% by weight of the monomers M having two or more ethylenically unsaturated double bonds, for coating mineral moldings.The present invention additionally provides a method of coating the mineral moldings, and also the mineral moldings themselves.

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