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:
Dec. 28, 1993
Filed:
Dec. 13, 1991
Kikkoman Corporation, Noda, JP;
Abstract
N-Acetyl-.beta.-D-glucosamine derivatives represented by the formula ##STR1## wherein R.sup.1 denotes a substituted alkyl group of 1 to 4 carbon atoms having a hydroxyl group, carboxyl group, sulfonic acid group or phosphoric acid group, or an alkali metal salt thereof, or a substituted phenyl group having a hydroxyl group, carboxyl group, sulfonic acid group, phosphoric acid group or said substituted alkyl group, or an alkali metal salt thereof, and R.sup.2, R.sup.3 and R.sup.4 each independently denote a hydrogen atom, halogen atom or nitro group, a process for producing the same, reagents for determining N-acetyl-.beta.-D-glucosaminidase activity containing said derivatives as effective ingredients, and a method for determining N-acetyl-.beta.-D-glucosaminidase activity using said derivatives.