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:
Sep. 21, 1999
Filed:
Jul. 25, 1997
Applicant:
Inventors:
Ken Tokuyasu, Tsukuba, JP;
Hiroshi Ono, Tsukuba, JP;
Mayumi Kameyama, Abiko, JP;
Yutaka Mori, Tsuchiura, JP;
Shioka Hamamatsu, Tsuchiura, JP;
Kiyoshi Hayashi, Tsuchiura, JP;
Primary Examiner:
Int. Cl.
CPC ...
C12P / ; C12P / ; C07H / ;
U.S. Cl.
CPC ...
435 84 ; 435 72 ; 435100 ; 53612313 ; 536124 ;
Abstract
Di-N-acetyl-D-chitobiose, which is easily available as a chitin decomposate or a chemical reagent, is reacted with a microorganisms-derived deacetylase to produce 2-acetylamino-4-O-(2-amino-2-deoxy-.beta.-D-glucopyranosyl)-2-deoxy-D-gluc ose of formula (1). ##STR1## The method is quantitative and efficiently produces the compound (1). The compound (1) and its salts are usable as substrates for measuring enzymatic activities, and also as starting substances in the production of various food materials and in the field of glyco-chain engineering.