Patent · US Active

Functionalized particles

US8546509B2 · kind B2 · utility

1Cited by

6References

11Claims

0Family size

Assignee

HUNTSMAN TEXTILE EFFECTS (GERMANY) GmbH · DE

Inventors

Torsten Kulke · Holzminden, DE
Gunnar Engelmann · Potsdam, DE
Gerald Rafler · Potsdam, DE

Key dates

Filing date	Jul 25, 2005
Grant date	Oct 1, 2013
Priority date	—
Expiry date	Jun 22, 2027

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01J13/16
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Functionalized particles having fully formed shells and cores comprising a polyurethane or polyurea matrix obtained by interfacial addition polymerisation of (i) at least one polyisocyanate derivative selected from the group of partially blocked polyisocyanates and polyisocyanates partially modified with fiber reactive groups and (ii) at least one polyamine or polyhydric alcohol, said functionalized particles being capable to chemically or physically bind to a substrate.

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