Patent · US Active

Oil based aqueous polyurethane dispersions

US8318855B2 · kind B2 · utility

7Cited by

15References

6Claims

0Family size

Assignee

Cytec Surface Specialties Austria GmbH · AT

Inventors

Markus Schafheutle · Hochheim, DE
Anton Arzt · Tillmitsch Links der Laßnitz, AT
Susanne Dellinger · Graz, AT
Hannelore Gsoell · Graz, AT
Gerlinde Petritsch · Graz, AT

Key dates

Filing date	Apr 27, 2007
Grant date	Nov 27, 2012
Priority date	—
Expiry date	May 15, 2027

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G18/6629
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A two-pack coating composition comprising curing agents selected from the group consisting of non-blocked poly-functional isocyanates I, polyaziridines Z, and carbodiimides Y, and an aqueously dispersed polyurethane U wherein the polyurethane U comprises building blocks derived from hydroxyl group containing unsaturated fatty acids B21, a process for the production of the polyurethane U, and a method of use thereof in combination with the said curing agents in preparing coating compositions which are particularly useful for wood.

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