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.

Date of Patent:
Jun. 11, 2024

Filed:

Mar. 09, 2020
Applicant:

United States Gypsum Company, Chicago, IL (US);

Inventors:

Alexander J. Donovan, Lake Forest, IL (US);

Tyler Kincaid, Chicago, IL (US);

David Pelot, Chicago, IL (US);

Richard B. Stevens, Village of Lakewood, IL (US);

Robert H. Negri, Lake Villa, IL (US);

Naveen Punati, Lake Zurich, IL (US);

Assignee:

UNITED STATES GYPSUM COMPANY, Chicago, IL (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C04B 28/14 (2006.01); C04B 24/04 (2006.01); C04B 24/38 (2006.01); C04B 103/00 (2006.01); C04B 103/30 (2006.01); C04B 103/44 (2006.01); C04B 111/00 (2006.01);
U.S. Cl.
CPC ...
C04B 28/14 (2013.01); C04B 24/045 (2013.01); C04B 24/383 (2013.01); C04B 2103/0075 (2013.01); C04B 2103/30 (2013.01); C04B 2103/44 (2013.01); C04B 2111/00681 (2013.01);
Abstract

A joint compound including calcium sulfate hemihydrate and/or at least one filler, wherein a total amount of the at least one filler and/or calcium sulfate hemihydrate is at least about 50 wt % of the joint compound on a dry (water-free) basis, preferably the filler comprises calcium carbonate, calcium sulfate dihydrate, or calcium sulfate anhydrite, or a mixture thereof; binder at up to about 15 wt % of the joint compound on a dry basis; polymer thickener at up to about 3 wt % of the joint compound on a dry basis; plasticizer dedusting agent at about 0.01 to about 3 wt % of the joint compound on a dry (water free) basis; and an additive up to about 10 wt % of the joint compound on a dry basis.


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