Inventor · disambiguated record
Harold W. Mark
Also filed as: MARK HAROLD · MARK HAROLD W · MCKAY DWIGHT L
34 granted patents·295 citations·filing 1978–1996
97Inventor score
Top patents by PatentIndex Score
34 records- 0190US4721813AMethod for the oxidation of mercaptoalkanols to dithiodiglycolsPHILLIPS PETROLEUM CO·Filed 1986·Granted Jan 26, 1988·28 cites·7 claims
- 0280US4554108AAlkali carboxyalkyl dithiocarbamates and use as ore flotation reagentsPHILLIPS PETROLEUM CO·Filed 1983·Granted Nov 19, 1985·31 cites·8 claims
- 0374US4559153AMetal working lubricantPHILLIPS PETROLEUM CO·Filed 1983·Granted Dec 17, 1985·21 cites·17 claims
- 0470US4263131APassivation of metals contaminating a cracking catalyst with an antimony tris(dihydrocarbyl phosphite) catalyst and process of cracking therewithPHILLIPS PETROLEUM CO·Filed 1979·Granted Apr 21, 1981·6 cites·11 claims
- 0569US4198317APassivation of metals which contaminate cracking catalysts with antimony tris (hydrocarbyl sulfonate)PHILLIPS PETROLEUM CO·Filed 1978·Granted Apr 15, 1980·16 cites·16 claims
- 0660US4190552APassivation of metals on cracking catalysts with an antimony tris (hydrocarbyl sulfide)PHILLIPS PETROLEUM CO·Filed 1978·Granted Feb 26, 1980·14 cites·7 claims
- 0758US4394324AStable antimony organophosphorodithioatesPHILLIPS PETROLEUM CO·Filed 1981·Granted Jul 19, 1983·4 cites·9 claims
- 0857US4595538ATri-alkali metal-di(carboxyalkyl)dithiocarbamate and triammonium-di(carboxyalkyl)dithiocarbamate flotation agentsPHILLIPS PETROLEUM CO·Filed 1985·Granted Jun 17, 1986·15 cites·10 claims
- 0957US4533467AOre flotation and flotation agents for use thereinPHILLIPS PETROLEUM CO·Filed 1984·Granted Aug 6, 1985·13 cites·22 claims
- 1056US5358630ARegenerating zeolitic cracking catalystPHILLIPS PETROLEUM CO·Filed 1980·Granted Oct 25, 1994·9 cites·49 claims
- 1156US4290919ACracking catalysts passivated by tungstenPHILLIPS PETROLEUM CO·Filed 1979·Granted Sep 22, 1981·10 cites·6 claims
- 1255US4702821AOre flotation and di-alkali metal-di(carboxyalkyl)dithiocarbamate and diammonium-di(carboxyalkyl)dithiocarbamate flotation agents for use thereinPHILLIPS PETROLEUM CO·Filed 1985·Granted Oct 27, 1987·14 cites·19 claims
- 1353US4514293AOre flotation and flotation agents for use thereinPHILLIPS PETROLEUM CO·Filed 1984·Granted Apr 30, 1985·11 cites·19 claims
- 1451US4857179AOre flotation and mineral flotation agents for use thereinPHILLIPS PETROLEUM CO·Filed 1988·Granted Aug 15, 1989·12 cites·19 claims
- 1551US4263130AProcess for cracking hydrocarbons with a catalyst passivated with an antimony tris (hydrocarbyl sulfide)PHILLIPS PETROLEUM CO·Filed 1979·Granted Apr 21, 1981·8 cites·6 claims
- 1651US4251673ARapid hydrolysis of estersPHILLIPS PETROLEUM CO·Filed 1979·Granted Feb 17, 1981·3 cites·11 claims
- 1746USRE37789ERegenerating zeolitic cracking catalystPHILLIPS PETROLEUM CO·Filed 1996·Granted Jul 16, 2002·8 cites·71 claims
- 1846US4326990APassivating agent composition and method for its preparationPHILLIPS PETROLEUM CO·Filed 1980·Granted Apr 27, 1982·7 cites·19 claims
- 1945US4554068AOre flotation and flotation agents for use thereinPHILLIPS PETROLEUM CO·Filed 1984·Granted Nov 19, 1985·8 cites·4 claims
- 2045US4209453AAntimony tris(dihydrocarbyl phosphite) and preparation thereofPHILLIPS PETROLEUM CO·Filed 1978·Granted Jun 24, 1980·7 cites·5 claims
- 2142US4535066APassivating metals on cracking catalystsPHILLIPS PETROLEUM CO·Filed 1984·Granted Aug 13, 1985·6 cites·34 claims
- 2241US4806234AOre flotationPHILLIPS PETROLEUM CO·Filed 1987·Granted Feb 21, 1989·7 cites·19 claims
- 2340US4264434APassivation of metals which contaminate cracking catalysts with antimony tris (hydrocarbyl sulfonate)PHILLIPS PETROLEUM CO·Filed 1979·Granted Apr 28, 1981·4 cites·4 claims
- 2439US4495200AProcess for the control of sulfate-reducing bacteriaPHILLIPS PETROLEUM CO·Filed 1983·Granted Jan 22, 1985·10 cites·4 claims
- 2537US4637833AInhibiting corrosion: benzylsulfinylacetic acid or benzylsulfonylacetic acidPHILLIPS PETROLEUM CO·Filed 1985·Granted Jan 20, 1987·2 cites·12 claims
- 2636USRE37842ERegenerating zeolitic cracking catalystPHILLIPS PETROLEUM CO·Filed 1996·Granted Sep 17, 2002·3 cites·55 claims
- 2736US4990656APolyamine substituted dithiocarbamate and process for producing the samePHILLIPS PETROLEUM CO·Filed 1990·Granted Feb 5, 1991·5 cites·10 claims
- 2836US4459366APassivating metals on cracking catalystsPHILLIPS PETROLEUM CO·Filed 1982·Granted Jul 10, 1984·4 cites·26 claims
- 2935US4650568ATrithiocarbonates as depressants in ore flotationPHILLIPS PETROLEUM CO·Filed 1985·Granted Mar 17, 1987·4 cites·19 claims
- 3033US4619760AOre flotation agent from 2-mercaptobenzimidazole and flotation processes therewithPHILLIPS PETROLEUM CO·Filed 1985·Granted Oct 28, 1986·3 cites·13 claims
- 3132US5053530APreparation of isethionic acid with organic acidPHILLIPS PETROLEUM CO·Filed 1990·Granted Oct 1, 1991·0 cites·8 claims
- 3231US4747940AOre flotation and tri-alkali metal-di(carboxyalkyl) dithiocarbamate and triammonium-di(carboxyalkyl) dithiocarbamate flotation agents for use thereinPHILLIPS PETROLEUM CO·Filed 1987·Granted May 31, 1988·2 cites·10 claims
- 3329US4447246ADiesel fuelPHILLIPS PETROLEUM CO·Filed 1983·Granted May 8, 1984·0 cites·12 claims
- 3426US5807802AStable aqueous dispersions of dibutyltin oxideWITCO CORP·Filed 1996·Granted Sep 15, 1998·0 cites·21 claims
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