John M. Long

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Canton, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Compatibilized silica and polymer silica-reinforced masterbatch con...
- Patent number 5,985,953
- Issue date Nov 16, 1999
- DSM Copolymer, Inc.
- John W. Lightsey
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing improved silica-reinforced masterbatch of pol...
- Patent number 5,763,388
- Issue date Jun 9, 1998
- DSM Copolymer, Inc.
- John W. Lightsey
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...