Helmut Knipf

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Mechernich, DE

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Patents Grantslast 30 patents

Information Patent Grant
Polyetheresteramides and process for making and using the same
- Patent number 5,489,667
- Issue date Feb 6, 1996
- Atochem Deutschland GmbH
- Helmut Knipf
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Grant
Thermoplastic polymer
- Patent number 4,774,139
- Issue date Sep 27, 1988
- Deutsche Atochem Werke GmbH
- Karl-Heinz Hapelt
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Copolyetheresteramides, process for their production and their use...
- Patent number 4,483,975
- Issue date Nov 20, 1984
- Plate Bonn Gesellschaft mit beschrankter Haftung
- Eduard de Jong
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...