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:
Feb. 01, 2022
Filed:
Aug. 12, 2016
Applicant:
Ip2ipo Innovations Limited, London, GB;
Inventors:
Charlotte Katherine Williams, London, GB;
Yunqing Zhu, London, GB;
Assignee:
IP2IPO Innovations Limited, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 63/08 (2006.01); C08G 63/82 (2006.01); B01J 31/22 (2006.01); C08G 63/42 (2006.01); C08G 63/64 (2006.01); C08G 81/02 (2006.01); C08G 101/00 (2006.01);
U.S. Cl.
CPC ...
C08G 63/08 (2013.01); B01J 31/2243 (2013.01); C08G 63/42 (2013.01); C08G 63/64 (2013.01); C08G 63/823 (2013.01); C08G 81/027 (2013.01); C08G 2101/00 (2013.01); C08G 2170/00 (2013.01); C08G 2190/00 (2013.01); C08G 2390/00 (2013.01);
Abstract
The present invention provides a multi-block copolymer comprising at least blocks A-B-A or B-A-B, wherein block A comprises a polyester formed by polymerisation of a lactone and/or a lactide; and block B comprises a copolyester formed by polymerisation of an epoxide and an anhydride, or a polycarbonate formed by polymerisation of an epoxide and carbon dioxide, and methods of production thereof.