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:
Jun. 24, 2003
Filed:
Apr. 16, 2002
Steven A. Schwartz, Downingtown, PA (US);
ARCO Chemical Technology, L.P., Greenville, DE (US);
Abstract
A pigment dispersion suitable for use in the manufacture of pigmented coating compositions is provided. The pigment dispersion comprises a) pigment, b) carrier, and c) an acrylic/polyether comb-branched copolymer dispersant wherein the polyether portion of the copolymer is free of any acidic groups. A method of making a present dispersion is also provided. The method comprises mixing together, in any combination: a) pigment, b) carrier, and c) an acrylic/polyether comb-branched copolymer dispersant wherein the polyether portion of the copolymer is free of any acidic groups. A pigmented coating composition is also provided comprising a pigment dispersion made in accordance with present invention.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile