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:
Jun. 02, 2015
Filed:
Jul. 02, 2013
Applicant:
Arakawa Chemical Industries, Ltd., Osaka-shi, JP;
Inventors:
Assignee:
ARAKAWA CHEMICAL INDUSTRIES, LTD., Osaka-Shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 301/12 (2006.01);
U.S. Cl.
CPC ...
C07D 301/12 (2013.01);
Abstract
To provide a method for producing an epoxy compound having fewer residual quaternary salt compound by removing the quaternary salt compound from an organic solution containing an epoxy compound and the quaternary salt compound. A method for producing an epoxy compound comprising the following step 1, step 2, and step 3: