Patent · US Active

TDI based low-viscosity polyisocyanates with isocyanurate groups

US10752728B2 · kind B2 · utility

0Cited by

2References

9Claims

0Family size

Assignee

Covestro Deutschland AG · DE

Inventors

Christoph Irle · Barcelona, ES
Stefan Groth · Leverkusen, DE
Ruiwen Wu · Leverkusen, DE
Antonio Midolo · Cologne, DE
Robert Maleika · Düsseldorf, DE
Hongchao Li · Dongguan, CN
Hao Liu · Beijing, CN

Key dates

Filing date	Oct 18, 2017
Grant date	Aug 25, 2020
Priority date	—
Expiry date	Oct 18, 2037

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G2115/02
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The invention relates to a polyisocyanate which is based on tolylene 2,4-diisocyanate, tolylene 2,6-diisocyanate or a mixture of tolylene 2,4- and 2,6-diisocyanate and has isocyanurate groups, wherein the polyisocyanate has

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