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:
Oct. 21, 1997
Filed:
Aug. 16, 1996
Applicant:
Inventors:
Awdhoot Vasant Kerkar, Columbia, MD (US);
Michael Paul Dallaire, Dover, NH (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ; C04B / ;
U.S. Cl.
CPC ...
106808 ; 106725 ; 106727 ; 106823 ; 524-4 ;
Abstract
A cement admixture composition composed of an oxyalkylene compound and betaine. The betaine permits air entrainment in the presence of the oxyalkylene compound, which is used as a shrinkage reduction aid.