Patent · US Expired

High-functionality polyisocyanates

US7339020B2 · kind B2 · utility

3Cited by

6References

11Claims

0Family size

Assignee

BASF SE

Inventors

Bernd Bruchmann · Ludwigshafen, DE
Hans Renz · Meckenheim, DE
Rainer Koniger · Freinsheim, DE
Ulrike Ehe · Lambsheim, DE
Ulrich Treuling · Bensheim, DE
Rudolf Müller-Mall · Schifferstadt, DE

Key dates

Filing date	Mar 19, 2001
Grant date	Mar 4, 2008
Priority date	—
Expiry date	Mar 19, 2021

Classification

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

Abstract

High-functionality polyisocyanates are prepared by a process which comprises

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