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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.:

US 10414891 B1

PDFFull Text
Date of Patent:
Sep. 17, 2019

Filed:

Dec. 10, 2015

Polyurethane curatives

Applicant:

The Shepherd Chemical Company, Cincinnati, OH (US);

Inventors:

Tod C. Duvall, West Chester, OH (US);

Jeffrey Sullivan, Goshen, OH (US);

Nathan Eckert, Loveland, OH (US);

Assignee:

The Shepherd Chemical Company, Cincinnati, OH (US);

Attorney:

Frost Brown Todd LLC

Primary Examiner:

Melissa A Rioja

Int. Cl.
CPC ...
C07F 5/00 (2006.01); C08G 18/16 (2006.01); C08G 18/20 (2006.01); C08G 18/22 (2006.01); C08G 18/40 (2006.01); C08G 18/42 (2006.01); C08G 18/48 (2006.01); C08G 18/54 (2006.01); C08G 18/76 (2006.01); C08J 9/00 (2006.01); C08G 101/00 (2006.01);
U.S. Cl.
CPC ...
C08J 9/00 (2013.01); C07F 5/003 (2013.01); C08G 18/161 (2013.01); C08G 18/2081 (2013.01); C08G 18/227 (2013.01); C08G 18/4027 (2013.01); C08G 18/42 (2013.01); C08G 18/48 (2013.01); C08G 18/546 (2013.01); C08G 18/7621 (2013.01); C08G 2101/0008 (2013.01); C08G 2101/0016 (2013.01); C08G 2101/0025 (2013.01); C08G 2101/0083 (2013.01); C08G 2290/00 (2013.01); C08J 2475/04 (2013.01); C08J 2475/06 (2013.01); C08J 2475/08 (2013.01);
Abstract

A class of alkanol amine ligands reacted with bismuth carboxylates lends unique curability properties to isocyanate and polyols for production of polyurethane for CASE applications, including growing demand for polyurethane spray-foam. The amino-alcohol ligand, when associated with bismuth neodecanoate, offers improved moisture and solvent resistance during B-side (polyol) storage, cure rates analogous to tin-based curatives, and overall good final physical properties of the cured polyurethane.

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Duvall, Tod. (2019). Polyurethane curatives (U.S. Patent No. 10414891). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10414891

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