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:
Dec. 09, 2008
Filed:
Nov. 18, 2004
Applicants:
Byong-wa Chun, Newton Upper Falls, MA (US);
Ara A. Jeknavorian, Chelmsford, MA (US);
Charlotte B. Porteneuve, Boston, MA (US);
Inventors:
Byong-Wa Chun, Newton Upper Falls, MA (US);
Ara A. Jeknavorian, Chelmsford, MA (US);
Charlotte B. Porteneuve, Boston, MA (US);
Assignee:
W. R. Grace & Co.-Conn., Columbia, MD (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C04B 24/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
Methods and compositions of the invention involve the use of crude intermediate fermentation broth, derived from industrial glucose fermentation processes prior to completion of purification steps, as additives and admixtures for cementitious compositions.