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. 08, 1991
Filed:
Mar. 17, 1989
Applicant:
Inventors:
Frederick W Wagner, Walton, NE (US);
Maria A Dean, Lincoln, NE (US);
Rebecca S de la Motte, Lincoln, NE (US);
Virginia H Stryker, Lincoln, NE (US);
Assignee:
Nebraska Department of Economic Development, , NE (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07H / ; C07H / ;
U.S. Cl.
CPC ...
536127 ; 536119 ; 536115 ; 536 186 ; 536120 ;
Abstract
The process uses two steps to separate the sugar ester from the crude sugar ester reaction product. The first step entails forming a precipitate of sugar ester from a mixture of alcohol, water and crude sugar ester reaction product. In a second subsequent step, the recovered sugar ester precipitate is washed with an organic solvent.