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:
Nov. 13, 2012
Filed:
Jul. 01, 2009
Catalytic depolymerization of polymers containing electrophilic linkages using nucleophilic reagents
James Lupton Hedrick, Pleasanton, CA (US);
Russell Clayton Pratt, Oakland, CA (US);
Robert M. Waymouth, Palo Alto, CA (US);
James Lupton Hedrick, Pleasanton, CA (US);
Russell Clayton Pratt, Oakland, CA (US);
Robert M. Waymouth, Palo Alto, CA (US);
International Business Machines Corporation, Armonk, NY (US);
Stanford University, Palo Alto, CA (US);
Abstract
The disclosure relates to methods and materials useful for depolymerizing a polymer. In one embodiment, for example, the disclosure provides a method for depolymerizing a polymer containing electrophilic linkages, wherein the method comprises contacting the polymer with a nucleophilic reagent in the presence of a guanidine-containing compound. The methods and materials of the disclosure find utility, for example, in the field of waste reclamation and recycling.