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:
Mar. 10, 2015
Filed:
Oct. 07, 2010
Kazuyuki Hanada, Tokyo, JP;
Kazuya Kimura, Tokyo, JP;
Kenichi Takahashi, Tokyo, JP;
Osamu Kawakami, Tokyo, JP;
Manabu Uruno, Tokyo, JP;
Kazuyuki Hanada, Tokyo, JP;
Kazuya Kimura, Tokyo, JP;
Kenichi Takahashi, Tokyo, JP;
Osamu Kawakami, Tokyo, JP;
Manabu Uruno, Tokyo, JP;
Dainichiseika Color & Chemicals Mfg. Co., Ltd., Tokyo, JP;
Ukima Chemicals & Color Mfg. Co., Ltd., Tokyo, JP;
Abstract
A 5-membered cyclic carbonate polysiloxane compound is represented by the below-described formula (1), and is produced by a process that reacts an epoxy-modified polysiloxane compound with carbon dioxide. wherein A means in which Rmeans an alkylene group which has from 1 to 12 carbon atoms and may be linked via an element of O, S or N and/or —(CHO)—, Rmeans a direct bond or an alkylene group having from 2 to 20 carbon atoms, Rmay be linked to an alicyclic group or aromatic group, b stands for a number of from 1 to 300, and a stands for a number of from 1 to 300.