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:
Jul. 23, 1991
Filed:
Jul. 20, 1989
Applicant:
Inventors:
Toshio Satoh, Tokushima, JP;
Yasunori Niiro, Tokushima, JP;
Hisao Kakegawa, Tokushima, JP;
Hitoshi Matsumoto, Tokushima, JP;
Assignee:
Nippon Hypox Laboratories Incorporated, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C09K / ;
U.S. Cl.
CPC ...
549315 ; 252403 ; 252407 ;
Abstract
This invention relates to a novel ascorbic acid derivative having excellent antioxidant action, particularly eliminating action on superoxides and a process for preparing the same. Furthermore, this invention also relates to a novel antioxidant comprising the afore-mentioned novel ascorbic acid derivative or other known ascorbic acid derivatives.