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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 11453613 B1

PDFFull Text
Date of Patent:
Sep. 27, 2022

Filed:

Sep. 24, 2018

Joint compounds, activators and methods for setting a joint compound and preventing seed setting

Applicant:

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

Inventors:

Guy L. Rosenthal, Wheaton, IL (US);

Charles J. Miller, Johnsburg, IL (US);

Tyler Kincaid, Chicago, IL (US);

Joseph Schlude, South Barrington, IL (US);

Assignee:

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

Attorneys:

Greer, Burns & Crain, Ltd.

Philip T. Petti

Pradip Sahu

Primary Examiner:

James E McDonough

Int. Cl.
CPC ...
C04B 28/14 (2006.01); C04B 22/10 (2006.01); C04B 22/16 (2006.01); C04B 24/12 (2006.01); C04B 22/14 (2006.01); C04B 40/06 (2006.01); C04B 9/04 (2006.01); C04B 11/00 (2006.01); C04B 7/00 (2006.01); C04B 7/34 (2006.01); C04B 28/00 (2006.01); C04B 32/00 (2006.01); C04B 111/00 (2006.01); C04B 103/22 (2006.01); C04B 103/12 (2006.01);
U.S. Cl.
CPC ...
C04B 28/14 (2013.01); C04B 22/10 (2013.01); C04B 22/142 (2013.01); C04B 22/147 (2013.01); C04B 22/16 (2013.01); C04B 24/123 (2013.01); C04B 40/065 (2013.01); C04B 2103/12 (2013.01); C04B 2103/22 (2013.01); C04B 2111/00637 (2013.01); C04B 2111/00689 (2013.01);
Abstract

A ready-mixed setting type joint compound in which formation of gypsum seeds has been inhibited. A method for controlling a setting reaction by mixing a ready-mixed setting type joint compound with one or more metal ion control agents comprising aminopolycarboxylic acid and/or a salt thereof, and further mixing the setting type joint compound with one or more non-calcium phosphate compounds. The method may further comprise mixing the setting type joint compound with a set activator obtained by blending together a first set activator including a cadmium compound, lead compound and/or zinc compound and a second set activator including a ferrous compound, aluminum compound and/or manganese compound.

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