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:
Dec. 15, 2015
Filed:
Sep. 13, 2013
Dow Global Technologies Llc, Midland, MI (US);
Rohm and Haas Company, Philadelphia, PA (US);
Linda Kim-Habermehl, Midland, MI (US);
Mark D. Westmeyer, Collegeville, PA (US);
Liang Chen, Midland, MI (US);
Liang Hong, Schwenksville, PA (US);
Mladen Ladika, Midland, MI (US);
Rohm and Haas Company, Philadelphia, PA (US);
Dow Global Technologies LLC, Midland, MI (US);
Abstract
A mixture of first and second redispersible polymer powders where the first redispersible polymer powder has a copolymer having a glass transition temperature of 60 degrees Celsius or higher and an acid level in a range of 0.1 to 8 weight-percent percent as determined by potentiometric titration according to ASTM D664 and the second redispersible polymer powder is selected from vinyl acetate ethylene copolymer redispersible polymer powders and polymer powders of a blend of vinyl acetate ethylene copolymer and vinyl ester of versatic acid copolymer is useful as a component in a dry-mix formulation that further contains Portland cement, alumina rich cement and calcium sulfate.