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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.:

US 12734724 B1

PDFFull Text
Date of Patent:
Sep. 15, 2026

Filed:

Jun. 04, 2018

Air and water barrier building panels

Applicant:

National Gypsum Properties, Llc, Charlotte, NC (US);

Inventors:

Brian G. Randall, Charlotte, NC (US);

Joseph J. Bailey, Charlotte, NC (US);

Eli Stav, Charlotte, NC (US);

Brian Bland, Charlotte, NC (US);

Gene Whittington, Indian Land, SC (US);

R. G. Iyer, Fort Mill, SC (US);

Assignee:

Gold Bond Building Products, LLC, Charlotte, NC (US);

Attorney:

Dority & Manning, P.A.

Primary Examiner:

Christopher W Raimund

Int. Cl.
CPC ...
B27N 3/06 (2006.01); B27N 3/04 (2006.01); B32B 13/00 (2006.01); C03C 25/1025 (2018.01); C04B 11/036 (2006.01); C04B 28/14 (2006.01); C04B 111/00 (2006.01); C04B 111/27 (2006.01); D21F 13/00 (2006.01); E04C 2/06 (2006.01);
U.S. Cl.
CPC ...
B27N 3/06 (2013.01); B27N 3/04 (2013.01); B32B 13/00 (2013.01); C03C 25/1025 (2013.01); C04B 11/036 (2013.01); C04B 28/14 (2013.01); C04B 28/145 (2013.01); D21F 13/00 (2013.01); E04C 2/06 (2013.01); C04B 2111/00267 (2013.01); C04B 2111/00275 (2013.01); C04B 2111/00293 (2013.01); C04B 2111/00405 (2013.01); C04B 2111/00482 (2013.01); C04B 2111/0062 (2013.01); C04B 2111/27 (2013.01);
Abstract

A method for improving the air and/or water barrier performance of a building panel is disclosed. The building panel may be a gypsum board or cement board. In particular, the board may have improved resistance to bulk water penetration or permeation while maintaining breathability with respect to water vapor.

Find Patent Forward Citations

Randall, Brian. (2026). Air and water barrier building panels (U.S. Patent No. 12734724). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12734724

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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