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:
Apr. 03, 1989
Filed:
Jan. 24, 1984
Applicant:
Inventors:
Robert S McDaniel, Jr, Decatur, IL (US);
Leonard F Vanderburgh, Bethany, IL (US);
Stephen J Sommer, Decatur, IL (US);
Assignee:
A. E. Staley Manufacturing Company, Decatur, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07G / ; C07H / ; C07H / ;
U.S. Cl.
CPC ...
536 186 ; 536 185 ;
Abstract
Medium and long-chain alkyl glycosides are prepared by reacting a saccharide and a monohydric alcohol in the presence of at least 1 mole N-methyl-2-pyrrolidone per mole saccharide unit. The saccharide is selected from the group consisting of unsubstituted saccharides, short-chain alkyl glycosides, and mixtures thereof. The monohydric alcohol is selected from the group consisting of medium-chain alcohols, long-chain alcohols, and mixtures thereof. The reaction is conducted at a temperature of about 80.degree. to 140.degree. C.