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. 12, 2015
Filed:
Jun. 08, 2012
Applicants:
Dieter Honert, Dielheim, DE;
Thomas Heller, Nussloch, DE;
Inventors:
Dieter Honert, Dielheim, DE;
Thomas Heller, Nussloch, DE;
Assignee:
Sika Technology AG, Baar, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 24/02 (2006.01); C04B 40/00 (2006.01); C04B 103/52 (2006.01); C04B 111/10 (2006.01);
U.S. Cl.
CPC ...
C04B 40/0039 (2013.01); C04B 2103/52 (2013.01); C04B 2111/1006 (2013.01);
Abstract
An additive composition including a grinding aid selected from glycols, monocarboxylic acids with 1 to 4 carbon atoms, and comb polymers; as well as at least one retardant, which can be used during the process of grinding cement clinker and which leads to low brown discoloration of the ground cement in the processed state.