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. 19, 1993
Filed:
Oct. 16, 1991
Applicant:
Inventors:
Ellis M Gartner, Silver Spring, MD (US);
Chiara F Ferraris, Columbia, MD (US);
Assignee:
W.R. Grace & Co.-Conn., New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
106730 ; 106804 ; 106823 ;
Abstract
A method of reducing the surface voids and imperfections of molded cement structures by forming the cement composition with an admixture comprising a combination of Welan Gum and a water reducing agent.