Inventor · disambiguated record
Charles Edwan Sumner, Jr.
Also filed as: MCCOMBS CHARLES ALLAN · SUMNER CHARLES · SUMNER CHARLES E JR · SUMNER CHARLES EDWAN
46 granted patents·14 pending applications·939 citations·filing 1992–2018
98Inventor score
Top patents by PatentIndex Score
60 records- 0198US8969404B2Purifying crude furan 2,5-dicarboxylic acid by hydrogenationEASTMAN CHEM CO·Filed 2013·Granted Mar 3, 2015·41 cites·29 claims
- 0297US9944615B2Purifying crude furan 2,5-dicarboxylic acid by hydrogenation and a purge zoneEASTMAN CHEM CO·Filed 2016·Granted Apr 17, 2018·15 cites·19 claims
- 0397US8846960B2Oxidation process to produce a crude and/or purified carboxylic acid productJANKA MESFIN EJERSSA·Filed 2011·Granted Sep 30, 2014·41 cites·22 claims
- 0497US8796477B2Oxidation process to produce a crude and/or purified carboxylic acid productJANKA MESFIN EJERSSA·Filed 2011·Granted Aug 5, 2014·48 cites·13 claims
- 0597US8791277B2Oxidation process to produce a crude and/or purified carboxylic acid productJANKA MESFIN EJERSSA·Filed 2011·Granted Jul 29, 2014·42 cites·18 claims
- 0697US8791278B2Oxidation process to produce a crude and/or purified carboxylic acid productSHAIKH ASHFAQ·Filed 2011·Granted Jul 29, 2014·49 cites·7 claims
- 0797US7132566B2Process for the purification of a crude carboxylic acid slurryEASTMAN CHEM CO·Filed 2003·Granted Nov 7, 2006·96 cites·14 claims
- 0895US9249118B2Purifying crude furan 2,5-dicarboxylic acid by hydrogenationEASTMAN CHEM CO·Filed 2014·Granted Feb 2, 2016·11 cites·4 claims
- 0994US10882032B2Furan-2,5-dicarboxylic acid purge processEASTMAN CHEM CO·Filed 2016·Granted Jan 5, 2021·5 cites·5 claims
- 1093US9199958B2Oxidation process to produce a crude and/or purified carboxylic acid productEASTMAN CHEM CO·Filed 2014·Granted Dec 1, 2015·10 cites·11 claims
- 1192US9428480B2Oxidation process to produce a crude and/or purified carboxylic acid productEASTMAN CHEM CO·Filed 2014·Granted Aug 30, 2016·9 cites·11 claims
- 1292US5512691AProcess for the production of tocopherol concentratesEASTMAN CHEM CO·Filed 1994·Granted Apr 30, 1996·82 cites·47 claims
- 1391US10611743B2Purifying crude furan 2,5-dicarboxylic acid by hydrogenation and a purge zoneEASTMAN CHEM CO·Filed 2018·Granted Apr 7, 2020·4 cites·14 claims
- 1491US6265608B1Method of purifying aromatic dicarboxylic acidsEASTMAN CHEM CO·Filed 1998·Granted Jul 24, 2001·46 cites·61 claims
- 1591US5660691AProcess for the production of tocotrienol/tocopherol blend concentratesEASTMAN CHEM CO·Filed 1995·Granted Aug 26, 1997·72 cites·49 claims
- 1687US8785697B2Nickel modified catalyst for the production of hydroxy ether hydrocarbons by vapor phase hydrogenolysis of cyclic acetals and ketalsBILLODEAUX DAMON RAY·Filed 2011·Granted Jul 22, 2014·4 cites·27 claims
- 1786US5424457AProcess for the production of sterol and tocopherol concentratesEASTMAN CHEM CO·Filed 1994·Granted Jun 13, 1995·51 cites·36 claims
- 1884US6159347AMethods for separating a tocol from a tocol-containing mixtureEASTMAN CHEM CO·Filed 1999·Granted Dec 12, 2000·35 cites·60 claims
- 1983US8394997B2Process for the isomerization of 2,2,4,4-tetraalkylcyclobutane-1,3-diolsLIU ZHUFANG·Filed 2010·Granted Mar 12, 2013·4 cites·18 claims
- 2083US5917068APolyunsaturated fatty acid and fatty acid ester mixtures free of sterols and phosphorus compoundsEASTMAN CHEM CO·Filed 1996·Granted Jun 29, 1999·49 cites·37 claims
- 2183US5296587ACopolymerization of dicarboxylic acids and dialkyl esters of dicarboxylic acids to form polyestersEASTMAN CHEM CO·Filed 1993·Granted Mar 22, 1994·39 cites·22 claims
- 2282US6200624B1Enteral formula or nutritional supplement containing arachidonic and docosahexaenoic acidsABBOTT LAB·Filed 1996·Granted Mar 13, 2001·57 cites·24 claims
- 2379US7485747B2Two stage oxidation process for the production of aromatic dicarboxylic acidsEASTMAN CHEM CO·Filed 2002·Granted Feb 3, 2009·10 cites·15 claims
- 2478US9382179B2Nickel modified catalyst for the production of hydroxy ether hydrocarbons by vapor phase hydrogenolysis of cyclic acetals and ketalsEASTMAN CHEM CO·Filed 2014·Granted Jul 5, 2016·1 cites·15 claims
- 2578US7902396B2Optimized liquid-phase oxidationEASTMAN CHEM CO·Filed 2009·Granted Mar 8, 2011·2 cites·19 claims
- 2677US7586000B2Optimized liquid-phase oxidationEASTMAN CHEM CO·Filed 2005·Granted Sep 8, 2009·4 cites·31 claims
- 2777US7582793B2Optimized liquid-phase oxidationEASTMAN CHEM CO·Filed 2005·Granted Sep 1, 2009·2 cites·32 claims
- 2876US9822053B2Single step conversion of N-butyraldehyde to 2-ethylhexanalEASTMAN CHEM CO·Filed 2016·Granted Nov 21, 2017·1 cites·13 claims
- 2975US6224717B1Methods for separating a tocotrienol from a tocol-containing mixture and compositions thereofEASTMAN CHEM CO·Filed 1999·Granted May 1, 2001·19 cites·60 claims
- 3074US6291706B1Hydrogenation of phthalic acids to cyclohexanedicarboxylic acidEASTMAN CHEM CO·Filed 1999·Granted Sep 18, 2001·13 cites·6 claims
- 3172US6380352B1Polyester precursor purification processEASTMAN CHEM CO·Filed 2001·Granted Apr 30, 2002·10 cites·11 claims
- 3271US6762276B2Hydrogenation of polyester oligomers containing terephthalic acid residuesEASTMAN CHEM CO·Filed 2002·Granted Jul 13, 2004·10 cites·13 claims
- 3370US7550627B2Processes for producing aromatic dicarboxylic acidsEASTMAN CHEM CO·Filed 2005·Granted Jun 23, 2009·2 cites·25 claims
- 3470US5334754AProcess for preparing 2,5-diphenylterephthalic acid by oxidationEASTMAN CHEM CO·Filed 1992·Granted Aug 2, 1994·12 cites·5 claims
- 3569US7067615B1Hydrotreating polyester precursorsEASTMAN CHEM CO·Filed 2005·Granted Jun 27, 2006·1 cites·31 claims
- 3668US7608732B2Optimized liquid-phase oxidationEASTMAN CHEM CO·Filed 2005·Granted Oct 27, 2009·1 cites·92 claims
- 3766US5352761ANaphthalene dicarboxylic acids and esters substituted with aroyl groupsEASTMAN CHEM CO·Filed 1993·Granted Oct 4, 1994·8 cites·5 claims
- 3864US5359134AProcess for preparing phenylterephthalic acidEASTMAN CHEM CO·Filed 1992·Granted Oct 25, 1994·8 cites·12 claims
- 3963US8455680B2Carboxylic acid production process employing solvent from esterification of lignocellulosic materialFORNARA WOUT·Filed 2009·Granted Jun 4, 2013·3 cites·19 claims
- 4060US6063946AProcess for the isolation of polyunsaturated fatty acids and esters thereof from complex mixtures which contain sterols and phosphorus compoundsEASTMAN CHEM CO·Filed 1996·Granted May 16, 2000·15 cites·20 claims
- 4159US2008221294A1Resol beads, methods of making them, and methods of using themEASTMAN CHEM CO·Filed 2008·Application pending·0 cites
- 4258US2015335065A1Surface attachment of particles to cellulose ester fibersEASTMAN CHEM CO·Filed 2015·Application pending·0 cites
- 4358US2018022676A1Single-step conversion of n-butyraldehyde to 2-ethylhexanalEASTMAN CHEM CO·Filed 2017·Application pending·0 cites
- 4457US2014174461A1Surface Attachment of Particles to Cellulose Ester FibersEASTMAN CHEM CO·Filed 2012·Application pending·0 cites
- 4555US2007191573A1Resol beads, methods of making them, and methods of using themSINK CHESTER WAYNE·Filed 2006·Application pending·0 cites
- 4653US2007191571A1Resol beads, methods of making them, and methods of using themSINK CHESTER W·Filed 2006·Application pending·0 cites
- 4752US8614350B2Carboxylic acid production process employing solvent from esterification of lignocellulosic materialJANKA MESFIN EJERSSA·Filed 2012·Granted Dec 24, 2013·0 cites·25 claims
- 4851US5840970AProcess for the purification of naphthalenedicarboxylic acidEASTMAN CHEM CO·Filed 1998·Granted Nov 24, 1998·6 cites·4 claims
- 4947US8247072B2Resol beads, methods of making them and methods of using themSUMNER JR CHARLES EDWAN·Filed 2006·Granted Aug 21, 2012·1 cites·40 claims
- 5046US9604896B2Halogen-free catalyst system and method for producing benzoic acidEASTMAN CHEM CO·Filed 2014·Granted Mar 28, 2017·0 cites·13 claims
Showing the top 50 of 60 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →