Patent · US Expired

Process for the production of cellulose shaped bodies, bodies produced by this process and the use thereof

US6521169B1 · kind B1 · utility

0Cited by

8References

8Claims

0Family size

Assignee

Max-Planck-Gesellschaft zur Föderung der Wissenschaften e.V. · US

Inventors

Peter Weigel · Borchen, DE
Hans-Peter Fink · Teltow, DE
Konrad Frigge · Potsdam, DE

Key dates

Filing date	Aug 6, 1999
Grant date	Feb 18, 2003
Priority date	—
Expiry date	Aug 6, 2019

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L2205/16
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

Process for the production of cellulose shaped bodies through the precipitation of a cellulose solution containing cellulose dissolved in an amine oxide/water system in a precipitation bath, wherein the solution contains additional cellulose fibers.

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