Patent · US Active

Branched polyester-urethane resins and coatings comprising the same

US10035872B2 · kind B2 · utility

1Cited by

30References

24Claims

0Family size

Assignee

PPG Industries Ohio, Inc. · US

Inventors

Francesco Ciaccio · Alessandria, IT
Annamaria Antonaci · Alessandria, IT
Eddy Bonello · Villanova Monferrato, IT
Stephane Schoch · Beinstein, DE
Wolfgang Klaeger · Leonberg, DE
Beate Seiler · Affaltrach, DE
Jose Antonio Camerano · Ludwigsburg, DE
Debra L. Singer · Wexford, US
John E. Schwendeman · Wexford, US
Shanti Swarup · Allison Park, US

Key dates

Filing date	Dec 14, 2015
Grant date	Jul 31, 2018
Priority date	—
Expiry date	Jan 17, 2036

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31786
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

An uncured branched polyester-urethane resin prepared by free radical polymerization of an unsaturated polyester prepolymer having a polyol segment, an unsaturated polycarboxylic acid and/or an anhydride and/or ester thereof, and a urethane segment, wherein the polymerization occurs primarily by reaction of the unsaturation is disclosed. Coatings comprising the same are also disclosed, as are substrates coated at least in part with such coatings.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.