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:
May. 05, 2026
Filed:
Apr. 17, 2023
Applicant:
Universal Cement Corporation, Taipei, TW;
Inventors:
Feng-Shuo Hsu, Taipei, TW;
Chih-Yuan Hou, Taipei, TW;
Assignee:
UNIVERSAL CEMENT CORPORATION, Taipei, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B 11/00 (2006.01); C04B 11/024 (2006.01); C04B 28/14 (2006.01); C04B 111/00 (2006.01);
U.S. Cl.
CPC ...
C04B 11/005 (2013.01); C04B 11/024 (2013.01); C04B 28/146 (2013.01); C04B 2111/00137 (2013.01); C04B 2111/0062 (2013.01);
Abstract
This invention discloses a synthetic gypsum and gypsum boards produced therefrom. Limestone (Calcium Carbonate), slaked lime (calcium hydroxide), water, and sulfuric acid are mixed, and alpha hemihydrate gypsum is optionally added as crystal seed to produce synthetic gypsum. The synthetic gypsum is then used to make gypsum boards. The gypsum board produced according to this invention contains at least 10% alpha hemihydrate gypsum.