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:
Jul. 12, 2005
Filed:
Mar. 10, 2003
Byong-wa Chun, Newton, MA (US);
Benita Dair, Silver Spring, MD (US);
Charlotte B. Porteneuve, Boston, MA (US);
Ara Avedis Jeknavorian, Chelmsford, MA (US);
Josephine Ho-wah Cheung, Waltham, MA (US);
Lawrence R. Roberts, Acton, MA (US);
Byong-wa Chun, Newton, MA (US);
Benita Dair, Silver Spring, MD (US);
Charlotte B. Porteneuve, Boston, MA (US);
Ara Avedis Jeknavorian, Chelmsford, MA (US);
Josephine Ho-Wah Cheung, Waltham, MA (US);
Lawrence R. Roberts, Acton, MA (US);
W. R. Grace & Co.-Conn., Columbia, MD (US);
Abstract
Exemplary compositions comprise at least one aldopentonic acid, such as xylonic acid; and further comprise a lignin, a lignosulfonic acid or its salt, an additional sugar acid such as a aldohexonic acid or salt, a conventional admixture (such as a polyacrylate superplasticizer, a corrosion inhibitor, a set retard, a set accelerator, etc.), or a mixture thereof. Exemplary methods for obtaining microbiologically or enzymatically converted sugar acids are also described herein.