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:
May. 29, 2007
Filed:
Mar. 15, 2005
Applicants:
Keisuke Yaegashi, Osaki, JP;
Masafumi Mikami, Osaka, JP;
Inventors:
Keisuke Yaegashi, Osaki, JP;
Masafumi Mikami, Osaka, JP;
Assignee:
Daisco Co., Ltd, Osaka-Fu, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 27/12 (2006.01); C07C 29/68 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for preparing an amine which comprises in preparing an amine by decarboxylating an α-amino acid under heating in a high boiling liquid polymer having average molecular weight 200 to 6000, and directly recovering this amine by distillation in the same reaction system, namely in one pot.