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:
Oct. 27, 2020
Filed:
Jul. 06, 2018
International Business Machines Corporation, Armonk, NY (US);
The Board of Trustees of the Leland Stanford Junior University, Stanford, CA (US);
Nathaniel H. Park, San Jose, CA (US);
James L. Hedrick, Pleasanton, CA (US);
Victoria A. Piunova, Los Gatos, CA (US);
Dmitry Zubarev, San Jose, CA (US);
Gavin O. Jones, San Jose, CA (US);
Robert M. Waymouth, Palo Alto, CA (US);
Binhong Lin, Stanford, CA (US);
INTERNATIONAL BUSINESS MACHINES CORPORATION, Armonk, NY (US);
THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY, Stanford, CA (US);
Abstract
Techniques regarding the synthesis of polyesters and/or polycarbonates through one or more ring-opening polymerizations conducted within a flow reactor and facilitated by a urea anion catalyst and/or a thiourea catalyst are provided. For example, one or more embodiments can comprise a method, which can comprise polymerizing, via a ring-opening polymerization within a flow reactor, a cyclic monomer in the presence an organocatalyst comprising a urea anion.