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:
Jul. 24, 2018
Filed:
May. 16, 2014
Applicant:
Imperial Innovations Limited, London, GB;
Inventors:
Assignee:
Imperial Innovations Limited, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 81/00 (2006.01); C08G 63/08 (2006.01); C08G 63/42 (2006.01); C08G 63/64 (2006.01); C08G 63/82 (2006.01); C08G 63/83 (2006.01);
U.S. Cl.
CPC ...
C08G 81/00 (2013.01); C08G 63/08 (2013.01); C08G 63/42 (2013.01); C08G 63/64 (2013.01); C08G 63/82 (2013.01); C08G 63/823 (2013.01); C08G 63/83 (2013.01);
Abstract
The present invention provides methods for producing block copolymers, either by the sequential addition of monomers, or using a 'one-pot' method. The invention also relates to novel methods for producing polyesters by ring opening lactides and/or lactones and by copolymerizing anhydrides and epoxides.