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:
Sep. 18, 2007
Filed:
Jun. 23, 2004
Applicants:
Keith A. Bair, Pennsburg, PA (US);
Arpad Savoly, Martinsville, NJ (US);
Bennie Veal, Rome, GA (US);
Inventors:
Assignee:
GEO Specialty Chemicals, Inc., Lafayette, IN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 220/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to cement dispersant that is a copolymerization product of a first monomer (A) comprising a carboxylic acid, a second monomer (B) comprising an alkoxylated allyl alcohol sulfate, and, optionally, a third monomer (C) comprising an alkoxylated allyl alcohol. The cement dispersant according to the invention provides improved slump life properties and water reduction properties in cement admixtures.