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:
Jul. 02, 2019
Filed:
Nov. 10, 2017
Applicant:
Gcp Applied Technologies Inc., Cambridge, MA (US);
Inventors:
Elise Berodier, Lausanne, CH;
Josephine H. Cheung, Lexington, MA (US);
Nathan A. Tregger, Northborough, MA (US);
Assignee:
GCP Applied Technologies Inc., Cambridge, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 14/10 (2006.01); C04B 24/12 (2006.01); C04B 24/28 (2006.01); C04B 28/04 (2006.01); C04B 103/32 (2006.01);
U.S. Cl.
CPC ...
C04B 14/10 (2013.01); C04B 24/122 (2013.01); C04B 24/283 (2013.01); C04B 28/04 (2013.01); C04B 2103/32 (2013.01);
Abstract
The present invention discloses cementitious compositions which contain hydratable cement, limestone, or mixture thereof, having improved strength properties due to the presence of calcined clay and certain higher alkanolamines, wherein the calcined clay has an FeOcontent of greater than one percent (1%). Also disclosed are exemplary additives and methods for enhancing strength of cement and/or limestone compositions.