Patent · US Expired

Epoxy resin hardener from aminopolyalkylene oxide/unsaturated ester, polyepoxide and amine

US6387988B1 · kind B1 · utility

0Cited by

6References

13Claims

0Family size

Assignee

Cognis Deutschland GmbH · DE

Inventors

Horst Sulzbach · Goldkronach, DE
Thomas Huver · Goldkronach, DE
Hans-Josef Thomas · Korschenbroich, DE
Vincenzo Foglianisi · Milano, IT

Key dates

Filing date	May 15, 2001
Grant date	May 14, 2002
Priority date	—
Expiry date	May 15, 2021

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G59/1477
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Hardeners for epoxy resins produced by reacting one or more &agr;,&bgr;-unsaturated carboxylic acid esters with one or more aminopolyalkylene oxide compounds, reacting the thus formed intermediate with one or more polyepoxide compounds, and reacting the thus formed intermediate with one or more amines are described. Processes for their production, aqueous dispersions containing the same and methods for their use are also described.

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