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:
Jan. 07, 1992
Filed:
Jun. 01, 1990
Applicant:
Inventors:
Kanehiko Enomoto, Otake, JP;
Takao Miyamori, Otake, JP;
Akihiro Sakimae, Otake, JP;
Ryozo Numazawa, Otake, JP;
Assignee:
Mitsubishi Rayon Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C12P / ; C12P / ; C12P / ; C12N / ;
U.S. Cl.
CPC ...
435126 ; 435134 ; 435136 ; 435137 ; 435176 ; 435180 ; 435182 ; 435197 ; 435280 ;
Abstract
A process for the preparation of an organic ester of ascorbic acid or erythorbic acid represented by the general formula (II) or (III): ##STR1## wherein R.sub.1 is alkyl, aralkyl, or aryl, by reacting ascorbic acid or erythorbic acid with an organic acid or an ester thereof of the general formula (I) :