The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 27, 2002
Filed:
Mar. 08, 2000
Applicant:
Inventors:
Assignee:
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 3/34 ;
U.S. Cl.
CPC ...
C08K 3/34 ;
Abstract
Improved aqueous powder coat dispersion, comprising (a) a powder coating dispersed in (b) an aqueous phase, wherein the aqueous phase contains a silica compound selected from the group consisting of (i) 0.2 to 2% by weight, based on the weight of the powder coating, of finely divided silicic acid with large BET-surface; (ii) 0.1 to 1.5% by weight, based on the weight of the powder coating, of layered silicates; and (iii) combinations thereof, exhibit improved sedimentation properties and provide coatings with improved sag characteristics.