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:
May. 23, 2017
Filed:
Nov. 15, 2013
Applicant:
Nippoh Chemicals Co., Ltd., Tokyo, JP;
Inventors:
Naoki Fujiwara, Isumi, JP;
Keisuke Takahashi, Tokyo, JP;
Assignee:
NIPPOH CHEMICALS CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 233/82 (2006.01); C07D 233/72 (2006.01);
U.S. Cl.
CPC ...
C07D 233/82 (2013.01); C07D 233/72 (2013.01);
Abstract
A production method of the present invention is a method for producing a halohydantoin compound in which method a composition including a halohydantoin compound and an impurity is treated, the method including the step of adding the composition to a mixed solvent of water and an organic solvent and washing the composition.