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:
Mar. 17, 2026

Filed:

Nov. 16, 2021
Applicant:

Knauf Gips KG, Iphofen, DE;

Inventors:

Tyler Kincaid, Wheaton, IL (US);

Rafael Bury, Wheeling, IL (US);

Joseph W. Schlude, South Barrington, IL (US);

Naveen Punati, Lake Zurich, IL (US);

Assignee:

KNAUF GIPS KG, Iphofen, DE;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C04B 28/00 (2006.01); C04B 14/28 (2006.01); C04B 22/16 (2006.01); C04B 28/14 (2006.01); C04B 103/12 (2006.01); C04B 103/22 (2006.01); C04B 103/44 (2006.01); C04B 103/54 (2006.01); C04B 103/60 (2006.01); C04B 111/00 (2006.01);
U.S. Cl.
CPC ...
C04B 28/146 (2013.01); C04B 14/28 (2013.01); C04B 22/16 (2013.01); C04B 2103/12 (2013.01); C04B 2103/22 (2013.01); C04B 2103/44 (2013.01); C04B 2103/54 (2013.01); C04B 2103/60 (2013.01); C04B 2111/00172 (2013.01); C04B 2111/00689 (2013.01);
Abstract

A high solids, sprayable, fast drying, ready-mixed setting-type joint compound comprising a blend of a joint compound mixture comprising: joint compound mixture ingredients comprising: calcium sulfate hemihydrate (e.g. US Gypsum's HYDROCAL C-Base), a chelating agent, and water; and an activator mixture, wherein the activator mixture comprises: activator mixture ingredients comprising: inert filler, set accelerator, and water, wherein a weight ratio of joint compound mixture:activator mixture is 1:1 to 100:1, wherein the activator mixture viscosity is the same as the joint compound mixture viscosity plus or minus 50 percent, and wherein the joint compound has about 55 to about 80 wt. % solids and a viscosity of 2,500-28,000 cps.


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