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. 19, 2016
Filed:
Jun. 21, 2010
Sridhar G. Iyer, Matthews, NC (US);
James Joseph Duis, Charlotte, NC (US);
Mark Gordon, Huntersville, NC (US);
Beverly Ann Gordon, Hunterville, NC (US);
Luke Egan, Rock Hill, SC (US);
Sridhar G. Iyer, Matthews, NC (US);
James Joseph Duis, Charlotte, NC (US);
Mark Gordon, Huntersville, NC (US);
Luke Egan, Rock Hill, SC (US);
BASF SE, Ludwigshafen, DE;
Abstract
Sound damping compositions and methods for their application are described herein. The compositions can include a polymer, a polyacrylate rheology modifier, and a polyurethane rheology modifier. The compositions can alternatively include a polymer derived from greater than 80% of one or more monomers selected from the group consisting of butyl acrylate, 2-ethylhexyl acrylate, methyl methacrylate, methyl acrylate and ethyl acrylate and combinations thereof and greater than 0% and less than 4% of one or more functional monomers, at least one rheology modifier, and a surfactant. Also described herein are sound damping products including the compositions described herein and structures including the sound damping products. Methods for damping sound in a structure are further described herein. The methods include applying the compositions to the surface of a structure and drying the composition.