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:
Feb. 01, 2022
Filed:
Jan. 03, 2018
Applicant:
United States Gypsum Company, Chicago, IL (US);
Inventors:
Alexander Donovan, Glencoe, IL (US);
Joseph Schlude, South Barrington, IL (US);
Assignee:
UNITED STATES GYPSUM COMPANY, Chicago, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
C09B 29/14 (2006.01); C04B 28/14 (2006.01); C07C 309/50 (2006.01); C09B 29/16 (2006.01); C07C 303/22 (2006.01); G01N 31/22 (2006.01); C04B 111/00 (2006.01); C04B 103/00 (2006.01);
U.S. Cl.
CPC ...
C09B 29/14 (2013.01); C04B 28/14 (2013.01); C07C 303/22 (2013.01); C07C 309/50 (2013.01); C09B 29/16 (2013.01); G01N 31/222 (2013.01); C04B 2103/0086 (2013.01); C04B 2111/00681 (2013.01); C04B 2111/00689 (2013.01);
Abstract
A building construction product comprising an ionochromic dye, wherein the building construction product has a first color when the product comprises water, wherein the first color is dependent on the presence of metal ions in solution in the product; and wherein the product has a second color when the product has solidified. Methods of monitoring setting and drying reactions of building construction products, including setting-type and drying-type joint compounds and plasters.