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:
Jan. 24, 2023
Filed:
Dec. 06, 2019
Applicant:
National Gypsum Properties, Llc, Charlotte, NC (US);
Inventors:
Joseph J. Bailey, Charlotte, NC (US);
Eli Stav, Charlotte, NC (US);
Richard Weir, Indian Trail, NC (US);
R. G. Iyer, Charlotte, NC (US);
Assignee:
Gold Bond Building Products, LLC, Charlotte, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 13/12 (2006.01); B32B 27/30 (2006.01); G10K 11/168 (2006.01); E04C 2/288 (2006.01); E04C 2/52 (2006.01); E04B 1/86 (2006.01);
U.S. Cl.
CPC ...
B32B 13/12 (2013.01); B32B 27/308 (2013.01); E04B 1/86 (2013.01); E04C 2/288 (2013.01); E04C 2/526 (2013.01); G10K 11/168 (2013.01); B32B 2307/10 (2013.01); B32B 2419/04 (2013.01);
Abstract
The present invention is directed to an improved gypsum board, such as an improved sound damping gypsum board. The gypsum board comprises a gypsum core including gypsum and a sound damping polymer. The gypsum core includes a first gypsum layer surface and a second gypsum layer surface opposing the first gypsum layer surface. In addition, a first encasing layer is disposed on the first gypsum layer surface and a second encasing layer is disposed on the second gypsum layer surface.