Karl-Erwin Piejko

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Longmeadow, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Thermoplastic polycarbonate molding composition containing a rubber...
- Patent number 6,503,628
- Issue date Jan 7, 2003
- Bayer Corporation
- Venkatarayaloo Janarthanan
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of producing ABS moulding compositions
- Patent number 5,981,644
- Issue date Nov 9, 1999
- Bayer Aktiengesellschaft
- Ralph Ostarek
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Compositions of the ABS type for processing by extrusion and deep d...
- Patent number 5,804,656
- Issue date Sep 8, 1998
- Bayer Aktiengesellschaft
- Herbert Eichenauer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...