Inventor · disambiguated record
Clarence D. Chang
Also filed as: CHANG CLARENCE D
206 granted patents·8,242 citations·filing 1974–2001
99Inventor score
Top patents by PatentIndex Score
206 records- 0199US4138442AProcess for the manufacture of gasolineMOBIL OIL CORP·Filed 1977·Granted Feb 6, 1979·341 cites·4 claims
- 0299US4096163AConversion of synthesis gas to hydrocarbon mixturesMOBIL OIL CORP·Filed 1976·Granted Jun 20, 1978·317 cites·4 claims
- 0399US4086262AConversion of synthesis gas to hydrocarbon mixturesMOBIL OIL CORP·Filed 1976·Granted Apr 25, 1978·98 cites·10 claims
- 0499US4076761AProcess for the manufacture of gasolineMOBIL OIL CORP·Filed 1974·Granted Feb 28, 1978·349 cites·4 claims
- 0599US4025575AProcess for manufacturing olefinsMOBIL OIL CORP·Filed 1975·Granted May 24, 1977·166 cites·19 claims
- 0698US5236575ASynthetic porous crystalline mcm-49, its synthesis and useMOBIL OIL CORP·Filed 1991·Granted Aug 17, 1993·590 cites·27 claims
- 0798US4062905AManufacture of light olefinsMOBIL OIL CORP·Filed 1976·Granted Dec 13, 1977·112 cites·12 claims
- 0897US6037513AHydroalkylation of aromatic hydrocarbonsMOBIL OIL CORP·Filed 1998·Granted Mar 14, 2000·325 cites·6 claims
- 0997US5321183AProcess for the regioselective conversion of aromatics to para-disubstituted benzenesMOBIL OIL CORP·Filed 1992·Granted Jun 14, 1994·83 cites·25 claims
- 1097US4654449AFormation of halogenated hydrocarbons from hydrocarbonsMOBIL OIL CORP·Filed 1982·Granted Mar 31, 1987·63 cites·25 claims
- 1197US4490566AProduction of phenolMOBIL OIL CORP·Filed 1983·Granted Dec 25, 1984·54 cites·7 claims
- 1297US4490565AProduction of phenolMOBIL OIL CORP·Filed 1983·Granted Dec 25, 1984·62 cites·5 claims
- 1397US4220783ASynthesis of pyridine and alkylpyridinesMOBIL CORP·Filed 1979·Granted Sep 2, 1980·48 cites·16 claims
- 1497US4138440AConversion of liquid alcohols and ethers with a fluid mass of ZSM-5 type catalystMOBIL OIL CORP·Filed 1974·Granted Feb 6, 1979·109 cites·5 claims
- 1597US4044061APreheating methanol effects steady state operation of conversion to gasolineMOBIL OIL CORP·Filed 1976·Granted Aug 23, 1977·57 cites·10 claims
- 1696US5719097ACatalyst comprising a modified solid oxideFiled 1996·Granted Feb 17, 1998·82 cites·17 claims
- 1796US5516736ASelectivating zeolites with organosiliceous agentsMOBIL OIL CORP·Filed 1994·Granted May 14, 1996·123 cites·23 claims
- 1896US5371310AProcess for preparing short chain alkyl aromatic compoundsMOBIL OIL CORP·Filed 1993·Granted Dec 6, 1994·148 cites·20 claims
- 1996US4180516AConversion of synthesis gas to aromatic hydrocarbonsMOBIL CORP·Filed 1977·Granted Dec 25, 1979·47 cites·8 claims
- 2095US6538162B2Method for converting alkanes to oxygenatesEXXONMOBIL CHEM PATENTS INC·Filed 2001·Granted Mar 25, 2003·38 cites·11 claims
- 2195US5365003AShape selective conversion of hydrocarbons over extrusion-modified molecular sieveMOBIL OIL CORP·Filed 1993·Granted Nov 15, 1994·92 cites·29 claims
- 2295US4052479AConversion of methanol to olefinic componentsMOBIL OIL CORP·Filed 1976·Granted Oct 4, 1977·63 cites·6 claims
- 2395US4025576AProcess for manufacturing olefinsMOBIL OIL CORP·Filed 1975·Granted May 24, 1977·74 cites·12 claims
- 2494US6080904AIsomerization processMOBIL OIL CORP·Filed 1996·Granted Jun 27, 2000·65 cites·21 claims
- 2594US5349113AShape selective hydrocarbon conversion over pre-selectivated, activated catalystMOBIL OIL CORP·Filed 1993·Granted Sep 20, 1994·80 cites·28 claims
- 2694US4359421AProcess for making epsilon-caprolactamMOBIL OIL CORP·Filed 1981·Granted Nov 16, 1982·31 cites·13 claims
- 2794US4341069AMethod for generating power upon demandMOBIL OIL CORP·Filed 1980·Granted Jul 27, 1982·91 cites·18 claims
- 2894US4265735AZSM-5 Zeolite catalyzes dialkyl disulfide conversion to hydrogen sulfideMOBIL OIL CORP·Filed 1979·Granted May 5, 1981·35 cites·11 claims
- 2994US4058576AConversion of methanol to gasoline componentsMOBIL OIL CORP·Filed 1976·Granted Nov 15, 1977·161 cites·8 claims
- 3094US3998898AManufacture of gasolineMOBIL OIL CORP·Filed 1975·Granted Dec 21, 1976·57 cites·8 claims
- 3193US6730625B1Hydroalkylation of aromatic hydrocarbonsEXXONMOBIL OIL CORP·Filed 1999·Granted May 4, 2004·107 cites·4 claims
- 3293US5543036AProcess for hydrotreatingMOBIL OIL CORP·Filed 1993·Granted Aug 6, 1996·43 cites·20 claims
- 3393US5498814ARegioselective methylation of toluene to para-xyleneMOBIL OIL CORP·Filed 1994·Granted Mar 12, 1996·74 cites·14 claims
- 3493US5491273ACatalytic conversion of methanol to linear olefinsMOBIL OIL CORP·Filed 1994·Granted Feb 13, 1996·44 cites·9 claims
- 3593US5453556AOligomerization process for producing synthetic lubricantsMOBIL OIL CORP·Filed 1994·Granted Sep 26, 1995·43 cites·20 claims
- 3693US5345026ARing opening processMOBIL OIL CORP·Filed 1993·Granted Sep 6, 1994·42 cites·15 claims
- 3793US4788377AProcess for manufacturing olefinsMOBIL OIL CORP·Filed 1987·Granted Nov 29, 1988·37 cites·3 claims
- 3893US4642226AProcess for the preparation of zeolite Beta using dibenzyldimethylammonium ions and the product producedMOBIL OIL CORP·Filed 1985·Granted Feb 10, 1987·83 cites·14 claims
- 3993US4543434AProcess for producing liquid hydrocarbon fuelsMOBIL OIL CORP·Filed 1981·Granted Sep 24, 1985·86 cites·6 claims
- 4093US4423155ADimethyl ether synthesis catalystMOBIL OIL CORP·Filed 1981·Granted Dec 27, 1983·64 cites·8 claims
- 4193US3969427AConversion of alcohols and/or ethers to hydrocarbonsMOBIL OIL CORP·Filed 1974·Granted Jul 13, 1976·28 cites·3 claims
- 4292US5541146AExtrusion-modified molecular sieveMOBIL OIL CORP·Filed 1994·Granted Jul 30, 1996·62 cites·21 claims
- 4392US4576805AIncreasing lattice metal content of porous inorganic crystalline compositionsMOBIL OIL CORP·Filed 1983·Granted Mar 18, 1986·76 cites·22 claims
- 4492US4177202AMethanation of synthesis gasMOBIL CORP·Filed 1978·Granted Dec 4, 1979·27 cites·1 claims
- 4591US4605637AHydrothermal activation of acid zeolites with aluminum phosphatesMOBIL OIL CORP·Filed 1985·Granted Aug 12, 1986·58 cites·1 claims
- 4691US4237063ASynthesis gas conversionMOBIL OIL CORP·Filed 1979·Granted Dec 2, 1980·26 cites·7 claims
- 4791US4214107AHydration of olefins using zeolite catalystsMOBIL CORP·Filed 1978·Granted Jul 22, 1980·48 cites·1 claims
- 4890US5552128ASelective catalytic reduction of nitrogen oxidesMOBIL OIL CORP·Filed 1995·Granted Sep 3, 1996·83 cites·14 claims
- 4990US5173461AToluene disproportionation catalystMOBIL OIL CORP·Filed 1990·Granted Dec 22, 1992·84 cites·24 claims
- 5090US4579993ACatalyst for methanol conversion by a combination of steaming and acid-extractionMOBIL OIL CORP·Filed 1984·Granted Apr 1, 1986·26 cites·9 claims
Showing the top 50 of 206 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →