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:
Dec. 10, 2013
Filed:
May. 19, 2010
Applicants:
Koji Hagiya, Ibaraki, JP;
Yasutaka Aoyagi, Yokohama, JP;
Inventors:
Koji Hagiya, Ibaraki, JP;
Yasutaka Aoyagi, Yokohama, JP;
Assignee:
Sumitomo Chemical Company, Limited, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D 305/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is a method for producing a halogen-substituted phthalide, which includes a reaction step of reacting a halogen-substituted phthalic anhydride with sodium borohydride.