Patent · US Active

Aqueous polyurethane-polyurea dispersions

US9206331B2 · kind B2 · utility

1Cited by

5References

7Claims

0Family size

Assignee

Covestro Deutschland AG · DE

Inventors

Alfred Zastrow · Dormagen, DE
Reiner Witkowski · Bottrop, DE
Ralf Werner · Hilden, DE
Gerald Kurek · Leverkusen, DE
Thorsten Rische · Unna, DE
Evgeny Avtomonov · Leverkusen, DE
Harald Kraus · Leverkusen, DE
Henricus Peerlings · Solingen, DE

Key dates

Filing date	Apr 13, 2011
Grant date	Dec 8, 2015
Priority date	—
Expiry date	Dec 5, 2031

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G2170/80
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The invention relates to a method for producing aqueous polyurethane-polyurea dispersions, aqueous polyurethane-polyurea dispersions produced by this method and their use to produce coating agents and adhesives.

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