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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 9221740 B1

PDFFull Text
Date of Patent:
Dec. 29, 2015

Filed:

Feb. 09, 2015

Method for producing carbonate compound and method for producing aromatic polycarbonate

Applicant:

Asahi Glass Company, Limited, Tokyo, JP;

Inventors:

Hidekazu Okamoto, Tokyo, JP;

Atsushi Fujimori, Tokyo, JP;

Toru Takahashi, Tokyo, JP;

Keisuke Shimokawa, Tokyo, JP;

Atsushi Hirashima, Tokyo, JP;

Assignee:

ASAHI GLASS COMPANY, LIMITED, Tokyo, JP;

Attorney:

Foley & Lardner LLP

Primary Examiner:

Terressa Boykin

Int. Cl.
CPC ...
C08G 64/00 (2006.01); C07C 68/00 (2006.01); C07C 68/08 (2006.01); C08G 64/26 (2006.01); C08G 64/06 (2006.01); C08G 64/30 (2006.01); C08G 63/02 (2006.01);
U.S. Cl.
CPC ...
C07C 68/00 (2013.01); C07C 68/08 (2013.01); C08G 64/06 (2013.01); C08G 64/266 (2013.01); C08G 64/307 (2013.01);
Abstract

The present invention relates to a method for producing a carbonate compound containing: a first step of reacting a compound represented by the following Formula (1) with a compound represented by the following Formula (21) or a compound represented by the following Formula (22) to obtain a reaction mixture containing a carbonate compound, and a second step of bringing the reaction mixture containing a carbonate compound into contact with a strongly basic compound,

Find Patent Forward Citations

Okamoto, Hidekazu. (2015). Method for producing carbonate compound and method for producing aromatic polycarbonate (U.S. Patent No. 9221740). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9221740

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

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