Heinrich Leppek

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Gelsenkirchen-Buer, DE

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Patents Grantslast 30 patents

Information Patent Grant
Solid coating composition for textile floor coverings
- Patent number 5,472,764
- Issue date Dec 5, 1995
- Huels Aktiengesellschaft
- Helmut Kehr
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Solid coating composition for textile floor coverings
- Patent number 5,248,719
- Issue date Sep 28, 1993
- Huels Aktiengesellschaft
- Helmut Kehr
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Process for the production of largely amorphous polyalphaolefins wi...
- Patent number 5,241,014
- Issue date Aug 31, 1993
- Huels Aktiengesellschaft
- Helmut Kehr
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Solid coating composition for textile floor coverings
- Patent number 5,047,462
- Issue date Sep 10, 1991
- Huels Aktiengesellschaft
- Helmut Kehr
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...