Patent · US Expired

Filler for plastic formulations based on polyurethane

US6833425B1 · kind B1 · utility

11Cited by

4References

15Claims

0Family size

Assignee

3M ESPE AG · DE

Inventors

Reinhold Hecht · Kaufering, DE
Bernd Gangnus · Andechs, DE
Gunther Lechner · Herrsching am Ammersee, DE

Key dates

Filing date	Jun 13, 2002
Grant date	Dec 21, 2004
Priority date	—
Expiry date	Jan 16, 2023

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L2666/02
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The invention relates to fillers for plastics formulations based on polyurethane and the use thereof.

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