Patent · US Expired

Process for paint detackifying and sedimentation

US4992199A · kind A · utility

18Cited by

7References

5Claims

0Family size

Assignee

Condea Chemie GmbH · DE

Inventors

Arnold Meyer · Marne, DE
Klaus Noweck · Brunsbüttel, DE
Jan Schiefler · Hamburg, DE
Anders Svensson · Växjö, SE

Key dates

Filing date	May 16, 1989
Grant date	Feb 12, 1991
Priority date	—
Expiry date	May 16, 2009

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09D7/71
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

A composition for use as a paint detackifying and sedimentation agent is disclosed, which includes 60 to 80% by weight of alumina Al.sub.2 O.sub.3) in pseudoboehmite or boehmite form, either in X-ray amorphous form or with a crystallite size of 20 to 150 A. The composition of the invention may include foam inhibitors, or other conventional additives. A process for use of the composition of the invention is also disclosed in which the composition is added as a 5-30% aqueous dispersion or in dry form to the circulating water of a paint spraying booth and used in a quantity of 1 to 10% by weight, based on 1 kg of the paint to be detackified.

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