Patent · US Active

Process for binding lignocellulosic materials using polyisocyanate compositions

US11155002B2 · kind B2 · utility

1Cited by

3References

16Claims

0Family size

Assignee

HUNTSMAN INTERNATIONAL LLC · US

Inventors

Griet Pans · Hoeleden, BE
Daniele Pratelli · Brussels, BE
Christopher Phanopoulos · Aalst, BE

Key dates

Filing date	Aug 14, 2018
Grant date	Oct 26, 2021
Priority date	—
Expiry date	Aug 14, 2038

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L97/02
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A process for binding lignocellulosic material comprising the steps of a) bringing lignocellulosic material into contact with a methylene bridged polyphenyl polyisocyanate composition and b) subsequently allowing said material to bind wherein said polyisocyanate composition has a surface tension below or equal to 46 mN/m.

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