Manfred Petzold

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Dusseldorf, DT

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Patents Grantslast 30 patents

Information Patent Grant
Process for the dyeing of polyacrylonitrile fibrous material
- Patent number 4,090,845
- Issue date May 23, 1978
- Henkel Kommanditgesellschaft auf Aktien
- Manfred Petzold
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Process for the dyeing of polyacrylonitrile fibers
- Patent number 4,087,247
- Issue date May 2, 1978
- Henkel Kommanditgesellschaft auf Aktien
- Manfred Petzold
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...