Daryl L. Stein

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Williamsville, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Halogen substituted phthalimide flame retardants
- Patent number 4,999,391
- Issue date Mar 12, 1991
- Atochem North America, Inc.
- Joseph M. Bohen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Halogen substituted phthalimide flame retardants
- Patent number 4,904,795
- Issue date Feb 27, 1990
- Pennwalt Corporation
- Joseph M. Bohen
- C07 - ORGANIC CHEMISTRY