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:
Apr. 29, 2025
Filed:
Oct. 10, 2019
Applicant:
Chryso, Issy les Moulineaux, FR;
Inventors:
Bruno Pellerin, Avon, FR;
Martinho Duarte Amaro Correia, Johannesburg, ZA;
Assignee:
CHRYSO, Issy-les-Moulineaux, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 7/52 (2005.12); C04B 24/12 (2005.12); C04B 28/02 (2005.12); C04B 103/50 (2005.12);
U.S. Cl.
CPC ...
C04B 7/52 (2012.12); C04B 24/122 (2012.12); C04B 28/02 (2012.12); C04B 2103/50 (2012.12);
Abstract
Disclosed is a method for using a secondary or tertiary alkanolamine for grinding cement, the method including: forming an inorganic acid salt of the alkanolamine; and adding the salified alkanolamine to a grinder.