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.

Date of Patent:
Mar. 02, 1999

Filed:

Jul. 03, 1997
Applicant:
Inventors:

Keiji Umeda, Ibaraki, JP;

Norihiro Kakimoto, Tokyo, JP;

Takafumi Kasumi, Ibaraki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07H / ; C01G / ;
U.S. Cl.
CPC ...
536125 ; 536 185 ; 536124 ; 423618 ;
Abstract

A process is provided which comprises isomerizing a compound having a ketose structure by the use of or in the presence of an organogermanium compound having a structural portion represented by formula (I): ##STR1## Due to the use or presence of the organogermanium compound, the process is free from the problems of the prior art, and is capable of isomerizing a compound having an aldose structure into a compound having a ketose structure at a high isomerization ratio without requiring any special apparatus or any complicated operation.


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