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. 07, 2023
Filed:
Feb. 18, 2021
Covestro Llc, Pittsburgh, PA (US);
Stephen D. Cummings, Pittsburgh, PA (US);
Matthew Stewart, Pittsburgh, PA (US);
Sharlene A. Lewis, Pittsburgh, PA (US);
Rick L. Adkins, Canonsburg, PA (US);
Jack R. Reese, Coraopolis, PA (US);
Covestro LLC, Pittsburgh, PA (US);
Abstract
A flexibilizing capped prepolymer can include a reaction product of reaction mixture including a polyisocyanate and an isocyanate-reactive component at an equivalent ratio of polyisocyanate equivalents to isocyanate-reactive component equivalents of from 1.4:1 to 2.1:1. The isocyanate-reactive component can include a polyol component and a branching agent component. The branching agent component can include a monoglyceride, a diglyceride, a triglyceride, or a combination thereof having a number average functionality of from 3 to 6 NCO-reactive functional groups. The reaction product is terminated with a capping agent to form the flexibilizing capped prepolymer.