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.

Date of Patent:
Feb. 22, 2022

Filed:

Aug. 31, 2018
Applicants:

The University of Massachusetts, Boston, MA (US);

Basf SE, Ludwigshafen am Rhein, DE;

Inventors:

Madhu Sheri, Sunderland, MA (US);

Umesh Choudhary, Worcester, MA (US);

Todd Emrick, South Deerfield, MA (US);

Sunitha Grandhee, Novi, MI (US);

Assignees:

THE UNIVERSITY OF MASSACHUSETTS, Boston, MA (US);

BASF SE, Ludwigshafen am Rhein, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 18/28 (2006.01); C08G 18/80 (2006.01); C08G 18/73 (2006.01); C08G 18/76 (2006.01); C09D 175/04 (2006.01);
U.S. Cl.
CPC ...
C08G 18/8029 (2013.01); C08G 18/2825 (2013.01); C08G 18/73 (2013.01); C08G 18/7621 (2013.01); C08G 18/7678 (2013.01); C09D 175/04 (2013.01);
Abstract

A method for deblocking a blocked isocyanate is described herein. The method includes contacting a blocked isocyanate and a halide ion source under conditions effective to provide a deblocked isocyanate. A method of making a polyurethane is also disclosed. The method of making a polyurethane includes combining a blocked isocyanate, a polyol, and a halide ion source in the presence of solvent and under conditions effective to provide the polyurethane.


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