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. 04, 2009
Filed:
Sep. 02, 2003
Applicants:
Masao Morimoto, Nagoya, JP;
Haruyo Sato, Nagoya, JP;
Inventors:
Masao Morimoto, Nagoya, JP;
Haruyo Sato, Nagoya, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 241/04 (2006.01); C07D 295/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
If an organic solvent with a water content of 15% or less is used when an oxycarbonyl-substituted piperazine derivative is produced from a piperazine derivative, the piperazine derivative can be oxycarbonylated.