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. 25, 2020
Filed:
Jul. 13, 2017
Applicant:
Sumitomo Chemical Company, Limited, Tokyo, JP;
Inventor:
Yuki Sato, Hyogo, JP;
Assignee:
SUMITOMO CHEMICAL COMPANY, LIMITED, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D 401/12 (2006.01); A01N 43/54 (2006.01);
U.S. Cl.
CPC ...
C07D 401/12 (2013.01); A01N 43/54 (2013.01); C07B 2200/13 (2013.01);
Abstract
The invention provides a method for producing a crystal of a uracil compound with high purity by a process which can be carried out in an industrial scale. Specifically, the invention provides a method for producing a crystal of a uracil compound, wherein the method comprises dissolving a composition comprising a uracil compound represented by formula (1) in organic solvents consisting of a C3-C6 alcohol solvent and an aromatic solvent to obtain a solution, and precipitating a crystal of said uracil compound from the solution.