Inventor · disambiguated record
Joseph Robert Zoeller
Also filed as: ZOELLER JOSEPH R · ZOELLER JOSEPH ROBERT
64 granted patents·6 pending applications·827 citations·filing 1985–2016
99Inventor score
Top patents by PatentIndex Score
70 records- 0195US6903045B2Tin promoted platinum catalyst for carbonylation of lower alkyl alcoholsEASTMAN CHEM CO·Filed 2001·Granted Jun 7, 2005·83 cites·16 claims
- 0293US6683216B1Continuous process for the preparation of aminesEASTMAN CHEM CO·Filed 2002·Granted Jan 27, 2004·55 cites·18 claims
- 0393US5731456APreparation of vinyl acetateEASTMAN CHEM CO·Filed 1996·Granted Mar 24, 1998·67 cites·21 claims
- 0493US5719315AProcess for the preparation of vinyl acetateEASTMAN CHEM CO·Filed 1996·Granted Feb 17, 1998·61 cites·19 claims
- 0588US6235673B1Carbonylation catalyst supported on a carbonized polysulfonated divinylbenzene-styrene copolymerEASTMAN CHEM CO·Filed 2000·Granted May 22, 2001·35 cites·27 claims
- 0688US5900505AHeterogeneous vapor phase carbonylation processEASTMAN CHEM CO·Filed 1998·Granted May 4, 1999·39 cites·16 claims
- 0786US7629491B2Hydrocarboxylation processEASTMAN CHEM CO·Filed 2006·Granted Dec 8, 2009·8 cites·16 claims
- 0886US6509293B1Gold based heterogeneous carbonylation catalystsEASTMAN CHEM CO·Filed 2000·Granted Jan 21, 2003·15 cites·18 claims
- 0986US6452043B1Carbonylation of lower alkyl alcohols and their derivatives using metals supported on carbonized polysulfonated divinylbenzene-styrene copolymersEASTMAN CHEM CO·Filed 2000·Granted Sep 17, 2002·16 cites·21 claims
- 1086US6265618B1Process for the conversion of carboxylic acids to ketonesEASTMAN CHEM CO·Filed 2000·Granted Jul 24, 2001·25 cites·18 claims
- 1185US6476239B1Process for the preparation of ascorbic acidEASTMAN CHEM CO·Filed 2002·Granted Nov 5, 2002·18 cites·19 claims
- 1284US7498469B1Coupling of formaldehyde to glycoaldehyde using N-heterocyclic carbene catalystsEASTMAN CHEM CO·Filed 2007·Granted Mar 3, 2009·5 cites·14 claims
- 1383US6617471B2Method for carbonylation of lower aliphatic alcohols using tin promoted iridium catalystEASTMAN CHEM CO·Filed 2001·Granted Sep 9, 2003·12 cites·20 claims
- 1483US5977407AProcess for isomerically selective hydrocarboxylation of olefinsEASTMAN CHEM CO·Filed 1998·Granted Nov 2, 1999·23 cites·19 claims
- 1583US5710328APreparation of α, β-unsaturated carboxylic acids and anhydridesEASTMAN CHEM CO·Filed 1995·Granted Jan 20, 1998·29 cites·3 claims
- 1682US7582792B2Carbonylation processEASTMAN CHEM CO·Filed 2006·Granted Sep 1, 2009·5 cites·18 claims
- 1782US5998657AProcess for the generation of α, β-unsaturated carboxylic acids and esters using niobium catalystEASTMAN CHEM CO·Filed 1998·Granted Dec 7, 1999·26 cites·39 claims
- 1882US5025086ATrifunctional monomer compounds, polyesters derived therefrom and thermosetting coating compositions containing the polyestersEASTMAN KODAK CO·Filed 1990·Granted Jun 18, 1991·28 cites·5 claims
- 1980US5292948AContinuous process for the preparation of acetic anhydride or mixtures of acetic anhydride and acetic acidEASTMAN KODAK CO·Filed 1993·Granted Mar 8, 1994·20 cites·11 claims
- 2076US6353132B1Vapor phase carbonylation process using group 5 metal promoted iridium catalystEASTMAN CHEM CO·Filed 1999·Granted Mar 5, 2002·15 cites·20 claims
- 2175US5144067AProcess for the coproduction of alkyl iodides and alpha-iodocarboxylic acids and/or anhydrides thereofEASTMAN KODAK CO·Filed 1989·Granted Sep 1, 1992·11 cites·9 claims
- 2274US6740762B2Process for ascorbic acids using alkaline earth silicate catalystsEASTMAN CHEM CO·Filed 2002·Granted May 25, 2004·10 cites·15 claims
- 2374US5808148APreparation of α,β-unsaturated carboxylic acids and estersEASTMAN CHEM CO·Filed 1997·Granted Sep 15, 1998·20 cites·4 claims
- 2471US6177380B1Iridium-gold carbonylation co-catalystsEASTMAN CHEM CO·Filed 2000·Granted Jan 23, 2001·10 cites·19 claims
- 2571US5057192AAcetone removal from acetic anhydride production processEASTMAN KODAK CO·Filed 1991·Granted Oct 15, 1991·13 cites·7 claims
- 2670US6355837B1Vapor phase carbonylation process using group 4 metal promoted iridium catalystEASTMAN CHEM CO·Filed 1999·Granted Mar 12, 2002·11 cites·20 claims
- 2770US4965399A1,5-diaryl-3-pentanol compounds and processes for the preparation thereofEASTMAN KODAK CO·Filed 1988·Granted Oct 23, 1990·9 cites·9 claims
- 2869US6355595B1Group 5 metal promoted iridium carbonylation catalystEASTMAN CHEM CO·Filed 1999·Granted Mar 12, 2002·10 cites·20 claims
- 2968US6537944B1Tungsten promoted catalyst for carbonylation of lower alkyl alcoholsEASTMAN CHEM CO·Filed 2001·Granted Mar 25, 2003·4 cites·21 claims
- 3066US4902820APreparation of α-acyloxycarbonyl compoundsEASTMAN KODAK CO·Filed 1989·Granted Feb 20, 1990·7 cites·6 claims
- 3166US4650649ACatalyst recovery processEASTMAN KODAK CO·Filed 1986·Granted Mar 17, 1987·12 cites·8 claims
- 3265US6613938B2Method for carbonylation of lower aliphatic alcohols using tin promoted platinum catalystEASTMAN CHEM CO·Filed 2001·Granted Sep 2, 2003·3 cites·19 claims
- 3364US6160163AMethod for the vapor-phase carbonylation of lower aliphatic alcohols using a supported platinum catalyst and halide promoterEASTMAN CHEM CO·Filed 1999·Granted Dec 12, 2000·8 cites·15 claims
- 3461US6716997B1Systems and methods for generation of ascorbic acid with reduced colorEASTMAN CHEM CO·Filed 2002·Granted Apr 6, 2004·1 cites·73 claims
- 3561US5760284AProcess and catalyst for carbonylating olefinsEASTMAN CHEM CO·Filed 1997·Granted Jun 2, 1998·7 cites·15 claims
- 3660US6441222B1Vapor phase carbonylation process using iridium-gold co-catalystsEASTMAN CHEM CO·Filed 2000·Granted Aug 27, 2002·2 cites·24 claims
- 3758US9421522B2Iridium catalysts for carbonylationEASTMAN CHEM CO·Filed 2012·Granted Aug 23, 2016·0 cites·19 claims
- 3858US6137000AMethod for carbonylation of lower aliphatic alcohols using a supported iridium and lanthanide series catalystEASTMAN CHEM CO·Filed 1999·Granted Oct 24, 2000·6 cites·19 claims
- 3956US6548444B2Tin promoted iridium catalyst for carbonylation of lower alkyl alcoholsEASTMAN CHEM CO·Filed 2001·Granted Apr 15, 2003·2 cites·7 claims
- 4056US6248927B1Stabilized cyclobutanone compositionsEASTMAN CHEM CO·Filed 2000·Granted Jun 19, 2001·3 cites·12 claims
- 4156US5936117ACarbonylation of olefinsEASTMAN CHEM CO·Filed 1995·Granted Aug 10, 1999·8 cites·6 claims
- 4256US4578368ACatalyst recovery processEASTMAN KODAK CO·Filed 1985·Granted Mar 25, 1986·13 cites·4 claims
- 4355US6506933B1Vapor phase carbonylation process using gold catalystsEASTMAN CHEM CO·Filed 2000·Granted Jan 14, 2003·1 cites·22 claims
- 4455US2016325270A1Iridium catalysts for carbonylationEASTMAN CHEM CO·Filed 2016·Application pending·0 cites
- 4554US4945075AOxidative secondary rhodium recovery processEASTMAN KODAK CO·Filed 1989·Granted Jul 31, 1990·9 cites·6 claims
- 4654US4788341AProcess for preparing 2-acetonaphthonesEASTMAN KODAK CO·Filed 1987·Granted Nov 29, 1988·4 cites·18 claims
- 4754US2007299277A1Fluidizable carbon catalystsEASTMAN CHEM CO·Filed 2007·Application pending·0 cites
- 4853US5821384AProcess for generating vinyl carboxylate estersEASTMAN CHEM CO·Filed 1997·Granted Oct 13, 1998·12 cites·19 claims
- 4952US5395692APhotodegradable polyestersEASTMAN CHEM CO·Filed 1994·Granted Mar 7, 1995·11 cites·14 claims
- 5051US4783548AProcesses for preparing 3,4-dihydro 2-naphthanoic acid and 2-naphthanoic acid and esters thereofEASTMAN KODAK CO·Filed 1987·Granted Nov 8, 1988·3 cites·8 claims
Showing the top 50 of 70 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →