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:
Jun. 02, 2026
Filed:
Dec. 05, 2022
Applicant:
Knauf Gips KG, Iphofen, DE;
Inventors:
Guy L. Rosenthal, Wheaton, IL (US);
Christian Huch, Gurnee, IL (US);
Jeffrey F. Grussing, Trevor, WI (US);
Pamela L. Hargrove, Cary, IL (US);
Assignee:
KNAUF GIPS KG, Iphofen, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C04B 11/02 (2006.01); C04B 22/16 (2006.01); C04B 24/04 (2006.01); C04B 28/14 (2006.01); C04B 103/22 (2006.01); C04B 111/00 (2006.01);
U.S. Cl.
CPC ...
C04B 11/02 (2013.01); C04B 22/16 (2013.01); C04B 24/04 (2013.01); C04B 28/146 (2013.01); C04B 28/147 (2013.01); C04B 2103/22 (2013.01); C04B 2111/00939 (2013.01); C04B 2111/00956 (2013.01); C04B 2235/6027 (2013.01);
Abstract
In one aspect, a pottery plaster formulation with increased water absorption, comprising alpha stucco, continuously-calcined-in-a-kettle stucco, and a combination of Rochelle salt and one or more of the following: potassium sulfate and/or a phosphate compound. In another aspect, pottery plaster molds with increased water absorption and methods of making and using the pottery plaster molds for slip casting ceramic items.