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:
Mar. 27, 1990
Filed:
Mar. 11, 1987
Applicant:
Inventors:
Yoshio Okamoto, Amagasaki, JP;
Koichi Hatada, Ikeda, JP;
Assignee:
Daicel Chemical Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07B / ; C08B / ; C08B / ;
U.S. Cl.
CPC ...
536 20 ; 536 187 ; 210656 ;
Abstract
A new alkyl-substituted phenylcarbamate derivative of a polysaccharide, exclusive of cellulose, has an alkyl-substituted phenylcarbamoyl group for 80 to 100 percent of the hydroxyl groups attached to the polysaccharide and is useful to the optical resolution of racemic compounds.