Helmut Engelhard

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Dormagen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for treating cellulosic fibre material
- Patent number 4,629,468
- Issue date Dec 16, 1986
- Bayer Aktiengesellschaft
- Helmut Engelhard
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Fibre and filament mixtures containing high-shrinkage bifilar poly(...
- Patent number 4,248,934
- Issue date Feb 3, 1981
- Bayer Aktiengesellschaft
- Martin Wandel
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING