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:
Jan. 21, 2020
Filed:
Oct. 24, 2017
Applicant:
Ishihara Sangyo Kaisha, Ltd., Osaka, JP;
Inventor:
Tatsunori Yoshida, Osaka, JP;
Assignee:
ISHIHARA SANGYO KAISHA, LTD., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 333/38 (2006.01); C07D 333/40 (2006.01);
U.S. Cl.
CPC ...
C07D 333/40 (2013.01);
Abstract
To provide a method for producing 3-methyl-2-thiophenecarboxylic acid. A method for producing 3-methyl-2-thiophenecarboxylic acid, which comprises reacting 3-methylthiophene with chlorosulfonyl isocyanate, and hydrolyzing the obtained reaction product.
Yoshida, Tatsunori. (2020). Method for producing 3-methyl-2-thiophenecarboxylic acid (U.S. Patent No. 10538503). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10538503
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile