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:
Mar. 21, 1989
Filed:
Dec. 09, 1986
Applicant:
Inventor:
Ahmad Arfaei, Milford, NH (US);
Assignee:
W. R. Grace & Co., Cambridge, MA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
106 90 ; 106314 ; 106315 ; 524-4 ; 524-5 ;
Abstract
Hydraulic cement compositions are disclosed containing a hydraulic cement and a graft copolymer, the graft copolymer containing a polyether backbone and side chains prepared by polymerization of an ethylenically unsaturated monomers. The graft copolymer functions as a plasticizer in the cement composition.
Arfaei, Ahmad. (1989). Hydraulic cement additives and hydraulic cement compositions containing (U.S. Patent No. 4814014). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4814014
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