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:
Apr. 27, 2010
Filed:
Apr. 22, 2005
Robert Shane Porzio, Akron, OH (US);
Cheng-le Zhao, Charlotte, NC (US);
Michael J. Anchor, Canton, MI (US);
Robert Shane Porzio, Akron, OH (US);
Cheng-Le Zhao, Charlotte, NC (US);
Michael J. Anchor, Canton, MI (US);
BASF SE, , DE;
Abstract
An aqueous latex coating composition and method of making an aqueous latex coating composition that comprises at least one oligomeric ethylene glycol derivative having the structure RO—(CH—CH—O—)—H, at least one latex polymer, and water, wherein R is H or C-Calkyl and preferably H, and n is from 3 to 9, preferably from 3 to 8, and more preferably from 3 to 6. The oligomeric ethylene glycol derivative functions as both a coalescing solvent and freeze-thaw stabilizer without contributing to the VOC content of the composition.