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:
Aug. 12, 2008
Filed:
Jan. 18, 2005
Applicants:
Rei Okazaki, Hiratsuka, JP;
Shunshi Kojima, Kamakura, JP;
Hideharu Yokokawa, Hiratsuka, JP;
Inventors:
Assignee:
Sankyo Company, Limited, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07C 211/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for producing highly pure enamines, which comprises reacting an aldehyde or ketone with an amine and treating the resulting reaction mixture with an acidic aqueous solution at a temperature between 0° C. and 30° C.