Patent · US Active

Polyurea/polythiourea coatings

US8623989B1 · kind B1 · utility

1Cited by

24References

15Claims

0Family size

Assignee

PRC-DESOTO INTERNATIONAL, INC. · US

Inventors

Howard L. Senkfor · South Euclid, US
Thomas R. Hockswender · Gibsonia, US
Nina V. Bojkova · Monroeville, US
Paul P. Greigger · Washington, US
Gregory J. McCollum · Allison Park, US
John R. Gilmore · Valencia, US
Chandra Rao · Valencia, US

Key dates

Filing date	Jul 3, 2007
Grant date	Jan 7, 2014
Priority date	—
Expiry date	Jul 31, 2031

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31551
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Polyurea/polythiourea compositions comprising the reaction product of a first component comprising isocyanate and a second component comprising an amine, wherein the first component further comprises an isocyanate functional polythioether-polyurethane and/or polythiourethane, and/or the second component further comprises an amine/hydroxy functional polythioether, are disclosed. Methods for using the coating, and substrates coated therewith, are also disclosed.

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