Hans Uhlemann

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Solingen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Preparation of low residual solvent content polyacrylonitrile filam...
- Patent number 4,505,870
- Issue date Mar 19, 1985
- Bayer Aktiengesellschaft
- Ulrich Reinehr
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Continuous dry-spinning process for acrylonitrile filaments and fibres
- Patent number 4,457,884
- Issue date Jul 3, 1984
- Bayer Aktiengesellschaft
- Ulrich Reinehr
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Process for removing residual solvent from dry-spun filaments
- Patent number 4,124,674
- Issue date Nov 7, 1978
- Bayer Aktiengesellschaft
- Christian Pieper
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING