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:
Feb. 08, 2005
Filed:
Jul. 19, 2001
Applicants:
Kunio Tamura, Tokyo, JP;
Hirohito Shimizu, Tokyo, JP;
Yoshiaki Kato, Shizuoka, JP;
Masahiro Shimizu, Tokyo, JP;
Inventors:
Kunio Tamura, Tokyo, JP;
Hirohito Shimizu, Tokyo, JP;
Yoshiaki Kato, Shizuoka, JP;
Masahiro Shimizu, Tokyo, JP;
Assignee:
Chugai Seiyaku Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D307/79 ;
U.S. Cl.
CPC ...
Abstract
An industrially useful process for producing benzofuran derivatives of formula (1):by formylating a compound of formula (2):