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:
Feb. 24, 2004
Filed:
Nov. 08, 2002
Applicant:
Inventors:
Tomoyuki Onishi, Kawasaki, JP;
Naoko Hirose, Kawasaki, JP;
Takayuki Suzuki, Kawasaki, JP;
Takashi Nakano, Kawasaki, JP;
Masakazu Nakazawa, Kawasaki, JP;
Kunisuke Izawa, Kawasaki, JP;
Assignee:
Ajinomoto Co., Inc., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
C07D / ; C07D / ;
Abstract
A process for producing &agr;-aminohalomethyl ketones or N-protected &agr;-aminohalomethyl ketones from specified 3-oxazolidin-5-one derivatives via 5-halomethyl-5-hydroxy-3-oxazolidine derivatives. By this process, &agr;-aminohalomethyl ketones and compounds relating to them can be obtained efficiently and economically in industrial scale.