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:
Oct. 03, 2000
Filed:
Apr. 30, 1998
Applicant:
Inventors:
Masahiro Suzuki, Chiba, JP;
Toshi Tsuzuki, Chiba, JP;
Shinobu Ito, Tokyo, JP;
Eiji Ogata, Tokyo, JP;
Assignee:
Showa Denko Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A01N / ; C07D / ;
U.S. Cl.
CPC ...
514473 ; 549477 ;
Abstract
A novel ascorbic acid derivative having both sufficiently improved stability and liposolubility, and facilitated cellular uptake. Also disclosed is a process for producing the derivative and a composition capable of effectively providing the action of vitamin C, for use in medical preparations, agricultural chemicals, animal drugs, foods, feeds or cosmetic preparations. The ascorbic acid derivative is a compound represented by the following formula (1) or a salt thereof: ##STR1## wherein R represents an acyl group having eleven or more carbon atoms and n is 0, 1 or 2.