Patent · US Active

Method for producing TDI-trimerisates with high purity

US10131641B2 · kind B2 · utility

0Cited by

9References

9Claims

0Family size

Assignee

Covestro Deutschland AG · DE

Inventors

Josef Sanders · Leverkusen, DE
Andreas Hecking · Langenfeld, DE
Reinhard Halpaap · Odenthal, DE
Frank Richter · Frankfurt, DE
Oswald Wilmes · Recklinghausen, DE
Jan Busch · Düsseldorf, DE
Tim Loddenkemper · Dormagen, DE
Friedhelm Steffens · Leverkusen, DE
Stefan Groth · Leverkusen, DE

Key dates

Filing date	Mar 7, 2014
Grant date	Nov 20, 2018
Priority date	—
Expiry date	Mar 7, 2034

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09J175/06
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The invention relates to a novel method for producing polyisocyanurates comprising isocyanate groups, based on 2,4- and 2,6-toluylene diisocyanate (TDI) and to the use thereof in coating compositions.

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