Karin Weinzierl

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing shaped cellulosic articles
- Patent number 5,216,144
- Issue date Jun 1, 1993
- Lenzing Aktiengesellschaft
- Dieter Eichinger
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Cellulose solution in water and NMMO
- Patent number 5,189,152
- Issue date Feb 23, 1993
- Lenzing Aktiengesellschaft
- Peter Hinterholzer
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Process for cleaning or purifying aqueous N-methylmorpholine-N-oxid...
- Patent number 5,178,764
- Issue date Jan 12, 1993
- Lenzing Aktiengesellschaft
- Stefan Astegger
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Method of removing water from a dilute solution of N-methylmorpholi...
- Patent number 5,118,423
- Issue date Jun 2, 1992
- Lenzing Aktiengesellschaft
- Stephan Astegger
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Process for purifying an aqueous solution of N-methyl-morpholine N-...
- Patent number 5,053,138
- Issue date Oct 1, 1991
- Lenzing Aktiengesellschaft
- Dietmar Korger
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING