Patent · US Expired

Aqueous dispersion comprising polyurethane-based resins and water-insoluble cellulose ester, methods for preparing and using same, and articles coated with same

US6811825B1 · kind B1 · utility

1Cited by

6References

6Claims

0Family size

Assignee

E.I. DU PONT DE NEMOURS AND COMPANY · US

Inventors

Werner Bosch · Wuppertal, DE
Armin Gobel · Syke, DE
Holger Schmidt · Wuppertal, DE
Bettina Vogt-Birnbrich · Solingen, DE

Key dates

Filing date	Nov 7, 2001
Grant date	Nov 2, 2004
Priority date	—
Expiry date	Nov 7, 2021

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09D175/04
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Aqueous binder dispersion which is suitable for the preparation of coating compositions for multilayer lacquerings and is based on polyurethane resins, which can be (meth)acrylated, the optionally (meth)acrylated polyurethane dispersion particles comprising 0.5 to 5 wt. %, based on their solids content, of water-insoluble cellulose esters.

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