David C. Purpi

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Woodcliff Lake, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Flame-retardant vinyl aromatic polymer compositions
- Patent number 4,277,567
- Issue date Jul 7, 1981
- Tenneco Chemicals, Inc.
- Donald A. Keyworth
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Flame-retardant thermosetting resinous compositions
- Patent number 4,107,230
- Issue date Aug 15, 1978
- Tenneco Chemicals, Inc.
- Roy G. Turnbo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...