Michael P. O'Callaghan deceased

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late of Staten Island, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Expandable styrene polymers
- Patent number 5,096,931
- Issue date Mar 17, 1992
- BASF Aktiengesellschaft
- Dietmar Wittenberg
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...