Inventor · disambiguated record
Howard B. Irvin
Also filed as: HOFFMAN ALFRED A JR · IRVIN HOWARD B
15 granted patents·321 citations·filing 1974–1984
93Inventor score
Files withPHILLIPS PETROLEUM CO15
Top patents by PatentIndex Score
15 records- 0196US4121029APolyolefin reactor systemPHILLIPS PETROLEUM CO·Filed 1976·Granted Oct 17, 1978·82 cites·8 claims
- 0293US4060520AContinuous reaction for preparation of arylene sulfide polymerPHILLIPS PETROLEUM CO·Filed 1976·Granted Nov 29, 1977·64 cites·6 claims
- 0383US4406750ASolvent removal from polymer solution utilizing flashed vapor as a heat sourcePHILLIPS PETROLEUM CO·Filed 1981·Granted Sep 27, 1983·33 cites·6 claims
- 0479US4604216ADrilling fluidsPHILLIPS PETROLEUM CO·Filed 1984·Granted Aug 5, 1986·52 cites·37 claims
- 0578US4320091AApparatus for two stage catalytic hydrogenation of olefinically unsaturated dinitrilesPHILLIPS PETROLEUM CO·Filed 1980·Granted Mar 16, 1982·14 cites·7 claims
- 0675US4278506APolymer solution purificationPHILLIPS PETROLEUM CO·Filed 1979·Granted Jul 14, 1981·17 cites·7 claims
- 0767US4408039ASeparation of polymer of conjugated diene from a solution polymerization solvent using prestripping stepPHILLIPS PETROLEUM CO·Filed 1981·Granted Oct 4, 1983·13 cites·10 claims
- 0853US4232137ACooling an alpha-methylstyrene polymerization massPHILLIPS PETROLEUM CO·Filed 1978·Granted Nov 4, 1980·9 cites·9 claims
- 0951US4086288AAcetylenes removal from olefin streams for alkylation by dimethyl formamide absorptionPHILLIPS PETROLEUM CO·Filed 1976·Granted Apr 25, 1978·6 cites·4 claims
- 1048US4388444APreparing blends of a synthetic rubber with a poly(arylene oxide) by distillative displacementPHILLIPS PETROLEUM CO·Filed 1982·Granted Jun 14, 1983·8 cites·22 claims
- 1145US4418191ASolvent purificationPHILLIPS PETROLEUM CO·Filed 1981·Granted Nov 29, 1983·10 cites·5 claims
- 1244US4548982ADrilling fluidsPHILLIPS PETROLEUM CO·Filed 1983·Granted Oct 22, 1985·8 cites·29 claims
- 1336US4177250AMethod of removing acetylene and sulfur compounds from gases by absorption in dimethyl formamidePHILLIPS PETROLEUM CO·Filed 1977·Granted Dec 4, 1979·5 cites·8 claims
- 1431US4263228ATwo stage catalytic hydrogenation of olefinically unsaturated dinitrilesPHILLIPS PETROLEUM CO·Filed 1979·Granted Apr 21, 1981·0 cites·4 claims
- 1531US4000044AFractionation of immiscible liquids of equal densityPHILLIPS PETROLEUM CO·Filed 1974·Granted Dec 28, 1976·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →