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:
Jan. 10, 2012
Filed:
Jul. 23, 2002
Applicants:
Martin Mosquet, Dadonville, FR;
Philippe Maitrasse, Chilleurs aux Bois, FR;
Isabelle Dubois, Avon, FR;
Inventors:
Martin Mosquet, Dadonville, FR;
Philippe Maitrasse, Chilleurs aux Bois, FR;
Isabelle Dubois, Avon, FR;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 24/26 (2006.01); C04B 28/14 (2006.01); C08J 3/00 (2006.01); C08K 3/00 (2006.01); C08K 3/10 (2006.01); C08K 3/22 (2006.01); C08K 3/30 (2006.01); C08L 31/00 (2006.01); C08L 33/00 (2006.01); C08L 33/06 (2006.01); C09B 67/00 (2006.01); C09D 5/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention concerns the use of a selected polycarboxylic type dispersant for aqueous calcium sulfate hemihydrate compositions that, simultaneously with its dispersing action, can control the initial setting and/or final setting times for these compositions. The invention also concerns aqueous calcium sulfate hemihydrate compositions comprising a polycarboxylic type dispersant or a mixture of polycarboxylic type dispersants.