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. 20, 2016
Filed:
Nov. 16, 2010
Applicants:
Shinobu Izumi, Shunan, JP;
Mitsuyoshi Sando, Shunan, JP;
Junji Takenaka, Shunan, JP;
Junji Momoda, Shunan, JP;
Inventors:
Shinobu Izumi, Shunan, JP;
Mitsuyoshi Sando, Shunan, JP;
Junji Takenaka, Shunan, JP;
Junji Momoda, Shunan, JP;
Assignee:
TOKUYAMA CORPORATION, Shunan-Shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 18/10 (2006.01); C08G 18/67 (2006.01); C08G 18/62 (2006.01); C08G 18/73 (2006.01); C08G 18/75 (2006.01); C07C 271/20 (2006.01); C07C 271/24 (2006.01);
U.S. Cl.
CPC ...
C08G 18/672 (2013.01); C07C 271/20 (2013.01); C07C 271/24 (2013.01); C08G 18/62 (2013.01); C08G 18/6229 (2013.01); C08G 18/673 (2013.01); C08G 18/6725 (2013.01); C08G 18/73 (2013.01); C08G 18/755 (2013.01); C07C 2101/14 (2013.01);
Abstract
A process of producing a urethane (meth)acrylate monomer having a low acid value and a low content of a hardly soluble high-molecular weight impurity which is crosslinked high-dimensionally, comprising the steps of: