J. David Campbell

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Hilversum, NL

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Patents Grantslast 30 patents

Information Patent Grant
Hyperbranched polymers
- Patent number 6,627,720
- Issue date Sep 30, 2003
- Johnson Polymer, LLC
- J. David Campbell
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Process for producing hyperbranched polymers
- Publication number 20040048987
- Publication date Mar 11, 2004
- J. David Campbell
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Hyperbranched polymers
- Publication number 20010039316
- Publication date Nov 8, 2001
- J. David Campbell
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL