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:
Nov. 28, 2006
Filed:
Aug. 02, 2002
Applicants:
Akio Matsushita, Ube, JP;
Kiyotaka Yoshii, Ube, JP;
Masayoshi Oue, Ube, JP;
Taku Nakamura, Ube, JP;
Shuji Yamada, Ube, JP;
Inventors:
Akio Matsushita, Ube, JP;
Kiyotaka Yoshii, Ube, JP;
Masayoshi Oue, Ube, JP;
Taku Nakamura, Ube, JP;
Shuji Yamada, Ube, JP;
Assignee:
Ube Industries, Ltd., Ube, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 255/03 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a process for preparing a β-oxonitrile compound or an alkali metal salt thereof which comprises reacting a carboxylic ester represented by the formula (1):RCOR  (1)