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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.:

US 8901254 B1

PDFFull Text
Expired
Date of Patent:
Dec. 02, 2014

Filed:

Mar. 28, 2011

Process for preparing polycarbonate diol diacrylate and high-purity polycarbonate diol diacrylate

Applicants:

Youichi Yoshida, Ube, JP;

Yasuhito Yamamoto, Ube, JP;

Kenji Hirotsu, Ube, JP;

Inventors:

Youichi Yoshida, Ube, JP;

Yasuhito Yamamoto, Ube, JP;

Kenji Hirotsu, Ube, JP;

Assignee:

Ube Industries, Ltd., Ube-Shi, JP;

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

Terressa Boykin

Int. Cl.
CPC ...
C08F 283/00 (2006.01); C08G 64/04 (2006.01); C12P 7/62 (2006.01); C08G 64/02 (2006.01); C08G 64/42 (2006.01); C08F 283/02 (2006.01);
U.S. Cl.
CPC ...
C08G 64/42 (2013.01); C08G 64/045 (2013.01); C12P 7/62 (2013.01); C08G 64/0291 (2013.01);
Abstract

This is to provide a process for preparing a polycarbonate diol diacrylate from a polycarbonate diol and a vinyl acrylate compound without using a protonic acid or a metal component. This is a process for preparing a polycarbonate diol diacrylate which comprises reacting a polycarbonate diol represented by the formula (I) and a vinyl acrylate compound represented by the formula (II) in the presence of a hydrolase, and a polycarbonate diol diacrylate represented by the formula (III) having a terminal acrylated ratio of 97% or more.

Find Patent Forward Citations

Yoshida, Youichi. (2014). Process for preparing polycarbonate diol diacrylate and high-purity polycarbonate diol diacrylate (U.S. Patent No. 8901254). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8901254

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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