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:
Jan. 06, 2026
Filed:
May. 02, 2023
Applicant:
Walker Industries Holdings Limited, Thorold, CA;
Inventors:
Laurence Anthony Sinnige, Burlington, CA;
Niels Mathieu Barbara Smeets, Courtice, CA;
Rebecca Katie Hum, Guelph, CA;
Assignee:
Walker Industries Holdings Limited, Thorold, CA;
Primary Examiner:
Int. Cl.
CPC ...
C04B 103/65 (2006.01); C04B 22/06 (2006.01); C04B 24/08 (2006.01); C04B 24/34 (2006.01); C04B 24/38 (2006.01); C04B 28/14 (2006.01); C04B 40/00 (2006.01); C09D 191/06 (2006.01); C09D 197/00 (2006.01); C04B 111/00 (2006.01);
U.S. Cl.
CPC ...
C04B 24/38 (2013.01); C04B 22/062 (2013.01); C04B 24/08 (2013.01); C04B 24/34 (2013.01); C04B 28/14 (2013.01); C04B 40/0039 (2013.01); C09D 191/06 (2013.01); C09D 197/005 (2013.01); C04B 2103/65 (2013.01); C04B 2111/0062 (2013.01);
Abstract
Aqueous water repellency dispersions for use in the manufacture of gypsum wallboard, comprising a wax phase including a wax and a functionalized wax, an aqueous phase including a Kraft lignin and a water soluble base in an amount sufficient to solubilize the Kraft lignin.
Sinnige, Laurence. (2026). Wax dispersion composition containing lignin for imparting water resistance to gypsum (U.S. Patent No. 12515989). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12515989
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile