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:
Jun. 10, 2025
Filed:
Apr. 23, 2020
Northwestern University, Evanston, IL (US);
Cornell University, Ithaca, NY (US);
Regents of the University of Minnesota, Minneapolis, MN (US);
David J. Fortman, Pittsburgh, PA (US);
William R. Dichtel, Wilmette, IL (US);
Daylan T. Sheppard, Evanston, IL (US);
Kailong Jin, Minneapolis, MN (US);
Christopher J. Ellison, Eden Prairie, MN (US);
Northwestern University, Evanston, IL (US);
Cornell University, Ithaca, NY (US);
Regents of the University of Minnesota, Minneapolis, MN (US);
Abstract
Disclosed herein are methods for reprocessing polyurethane compositions such as polyurethane foams. The method comprises introducing a polyurethane composition into a compounding device, heating the polyurethane composition to an effective bond-exchange temperature, and compounding the polyurethane composition for an effective bond-exchange time.