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. 16, 2005
Filed:
Aug. 28, 2003
Applicants:
Tetsuya Ikemoto, Osaka, JP;
Masami Igi, Osaka, JP;
Inventors:
Tetsuya Ikemoto, Osaka, JP;
Masami Igi, Osaka, JP;
Assignee:
Sumitomo Chemical Company, Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C037/55 ;
U.S. Cl.
CPC ...
Abstract
The present invention provides a production method of a compound of the formulawherein X is chlorine atom, bromine atom or iodine atom, as well as a production method of citalopram and intermediates therefor.