Hermann Piana

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White Plains, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Process for coloring polytrimethylene terephthalate fibres and use...
- Patent number 5,782,935
- Issue date Jul 21, 1998
- Degussa Aktiengesellschaft
- Peter Hirt
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...