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. 23, 2016
Filed:
Dec. 14, 2010
Applicants:
Christina Hampel, Rutihof, CH;
Jabbar Ai Shemari, Zurich, CH;
Jorg Zimmermann, Winterthur, CH;
Robert Flatt, Feldmeilen, CH;
Inventors:
Christina Hampel, Rutihof, CH;
Jabbar Ai Shemari, Zurich, CH;
Jorg Zimmermann, Winterthur, CH;
Robert Flatt, Feldmeilen, CH;
Assignee:
SIKA TECHNOLOGIES AG, Baar, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K 5/17 (2006.01); C08K 5/19 (2006.01); C04B 28/14 (2006.01); C04B 40/00 (2006.01); C04B 111/00 (2006.01); C04B 111/60 (2006.01);
U.S. Cl.
CPC ...
C04B 28/14 (2013.01); C04B 40/0039 (2013.01); C04B 2111/0062 (2013.01); C04B 2111/00672 (2013.01); C04B 2111/60 (2013.01);
Abstract
Additives selected from primary, secondary, and tertiary alkyl amines and quaternary alkyl ammonium compounds are added to argillaceous gypsum compositions comprising comb polymers to improve the workability thereof. Argillaceous gypsum compositions, dispersing agents, a method for producing argillaceous gypsum compositions, and molded parts that can be produced from the gypsum compositions are also described.