Speros P. Nemphos

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Springfield, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Nitrogenous polymer composition emitting reduced amounts of hydroge...
- Patent number 4,141,931
- Issue date Feb 27, 1979
- Monsanto Company
- Gary L. Deets
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...