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:
Sep. 15, 2020
Filed:
Apr. 26, 2018
Applicant:
Osaka Organic Chemical Industry Ltd., Osaka, JP;
Inventors:
Assignee:
OSAKA ORGANIC CHEMICAL INDUSTRY LTD., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 67/03 (2006.01); C07C 67/54 (2006.01); C07C 69/54 (2006.01);
U.S. Cl.
CPC ...
C07C 67/03 (2013.01); C07C 67/54 (2013.01); C07C 69/54 (2013.01);
Abstract
The present invention provides a production method of a multifunctional acrylate with a reduced tin content which includes adding an acid to a mixture containing an organotin compound and a multifunctional acrylate and distilling the mixture containing the acid.