Inventor · disambiguated record
Melvin D. Herd
Also filed as: HERD MELVIN D
4 granted patents·17 citations·filing 1986–1991
70Inventor score
Files withPHILLIPS PETROLEUM CO4
Top patents by PatentIndex Score
4 records- 0155US5134224AAromatic sulfide/sulfone polymer productionPHILLIPS PETROLEUM CO·Filed 1991·Granted Jul 28, 1992·10 cites·18 claims
- 0239US5147719AProduction of phenylene sulfide-arylene sulfide/sulfone block copolymersPHILLIPS PETROLEUM CO·Filed 1991·Granted Sep 15, 1992·4 cites·5 claims
- 0339US4990678APurification of halogenated aromatic sulfones or ketonesPHILLIPS PETROLEUM CO·Filed 1989·Granted Feb 5, 1991·2 cites·21 claims
- 0431US4729839AWater soluble lubricating additivesPHILLIPS PETROLEUM CO·Filed 1986·Granted Mar 8, 1988·1 cites·44 claims
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