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:
Nov. 09, 2010
Filed:
Apr. 04, 2007
Applicants:
Takehiro Hiyama, Hyogo, JP;
Takeshi Takeuchi, Hyogo, JP;
Hidehiko Myoken, Hyogo, JP;
Hirokazu Kagano, Hyogo, JP;
Inventors:
Takehiro Hiyama, Hyogo, JP;
Takeshi Takeuchi, Hyogo, JP;
Hidehiko Myoken, Hyogo, JP;
Hirokazu Kagano, Hyogo, JP;
Assignee:
Sumitomo Seika Chemicals Co., Ltd., Kako-gun, Hyogo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 549/11 (2006.01); C07D 341/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a process for producing a methylene disulfonate compound in a simple manner at low cost. The present invention provides a process for producing a methylene disulfonate compound represented by General Formula (2) comprising: