Invention Grant
- Patent Title: Process for producing polycarbonates and a coordination complex used therefor
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Application No.: US13417842Application Date: 2012-03-12
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Publication No.: US08530615B2Publication Date: 2013-09-10
- Inventor: Bun Yeoul Lee , S. Sujith , Eun Kyung Noh , Jae Ki Min
- Applicant: Bun Yeoul Lee , S. Sujith , Eun Kyung Noh , Jae Ki Min
- Applicant Address: KR Seoul
- Assignee: SK Innovation Co., Ltd.
- Current Assignee: SK Innovation Co., Ltd.
- Current Assignee Address: KR Seoul
- Agency: Clark & Brody
- Priority: KR10-2007-0043417 20070504; KR10-2008-0015454 20080220
- Main IPC: C08G67/00
- IPC: C08G67/00 ; C08G64/34 ; C08G59/68 ; C07F15/06 ; C07F7/10
Abstract:
The complex of the present invention containing an onium salt and a central Lewis acidic metal has a high catalytic activity at a high temperature for the copolymerization of an epoxide and carbon dioxide to produce a high molecular weight polycarbonate.
Public/Granted literature
- US20120226016A1 PROCESS FOR PRODUCING POLYCARBONATES AND A COORDINATION COMPLEX USED THEREFOR Public/Granted day:2012-09-06
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