Inventor · disambiguated record
Andrew P. Kahn
Also filed as: KAHN ANDREW · KAHN ANDREW P
37 granted patents·3 pending applications·562 citations·filing 1992–2025
97Inventor score
Files withARCO CHEM TECH18LYONDELL CHEMICAL TECH LP8ARKEMA INC5LIN SHAW-CHAN2ARCO CHEMICAL TEHNOLOGY L P1
Top patents by PatentIndex Score
40 records- 0197US11643486B1Non-linear vinylidene fluoride copolymersARKEMA INC·Filed 2022·Granted May 9, 2023·5 cites·14 claims
- 0293US7259280B1Process for producing alkenyl alcoholsLYONDELL CHEMICAL TECH LP·Filed 2006·Granted Aug 21, 2007·14 cites·20 claims
- 0393US6005123AEpoxidation processARCO CHEM TECH·Filed 1999·Granted Dec 21, 1999·60 cites·19 claims
- 0489US6008388AEpoxidation processARCO CHEM TECH·Filed 1999·Granted Dec 28, 1999·84 cites·17 claims
- 0586US7012167B2Diisobutylene processLYONDELL CHEMICAL TECH LP·Filed 2003·Granted Mar 14, 2006·14 cites·9 claims
- 0685US5625084AVapor phase oxidation of propylene to propylene oxideARCO CHEM TECH·Filed 1996·Granted Apr 29, 1997·57 cites·24 claims
- 0784US6417412B1Purification of tertiary butyl alcoholARCO CHEM TECH·Filed 2001·Granted Jul 9, 2002·13 cites·3 claims
- 0884US5770746AEpoxidation process using supported silver catalysts pretreated with organic chlorideARCO CHEM TECH·Filed 1997·Granted Jun 23, 1998·52 cites·20 claims
- 0984US5703254APropylene oxide process using mixed precious metal catalyst supported on alkaline earth metal carbonateARCO CHEM TECH·Filed 1996·Granted Dec 30, 1997·50 cites·20 claims
- 1083US6770790B1Purification of tertiary butyl alcoholARCO CHEM TECH·Filed 2003·Granted Aug 3, 2004·12 cites·14 claims
- 1182US5208385APreparation of tetrahydrofuran polymers having a narrow molecular weight distribution using an amorphous silica-alumina catalystARCO CHEM TECH·Filed 1992·Granted May 4, 1993·29 cites·7 claims
- 1281US8362292B2Process for producing allyl acetateLYONDELL CHEMICAL TECH LP·Filed 2012·Granted Jan 29, 2013·2 cites·24 claims
- 1381US7141679B2Process for making N-vinyl-2-pyrrolidoneLYONDELL CHEMICAL TECH LP·Filed 2005·Granted Nov 28, 2006·2 cites·7 claims
- 1481US5856534AEpoxidation process using supported silver catalysts treated with carbon dioxideARCO CHEM TECH·Filed 1997·Granted Jan 5, 1999·39 cites·20 claims
- 1580US8710274B2Method of purifying crude acetone streamPOURREAU DANIEL B·Filed 2012·Granted Apr 29, 2014·3 cites·19 claims
- 1675US6586605B1Purification of alkylene carbonateARCO CHEM TECH·Filed 2003·Granted Jul 1, 2003·6 cites·13 claims
- 1775US5210283ASynthesis of tetrahydrofuran polymers using calcined silica-alumina or beaching earth catalystsARCO CHEM TECH·Filed 1992·Granted May 11, 1993·20 cites·20 claims
- 1871US6982337B1Process for making N-vinyl-2-pyrrolidoneLYONDELL CHEMICAL TECH LP·Filed 2004·Granted Jan 3, 2006·3 cites·9 claims
- 1969US5686380AVapor phase oxidation of propylene to propylene oxideARCO CHEM TECH·Filed 1996·Granted Nov 11, 1997·25 cites·16 claims
- 2067US5698719AOxirane productionARCO CHEMICAL TEHNOLOGY L P·Filed 1996·Granted Dec 16, 1997·14 cites·8 claims
- 2166US12305031B2Process for making a fluoropolymer dispersionARKEMA INC·Filed 2019·Granted May 20, 2025·0 cites·19 claims
- 2266US6083870AAlkaline earth metal compound-supported silver catalystsARCO CHEM TECH·Filed 1998·Granted Jul 4, 2000·16 cites·12 claims
- 2365US8193396B2Process for producing allyl alcoholLIN SHAW-CHAN·Filed 2010·Granted Jun 5, 2012·1 cites·13 claims
- 2464US6906200B2Production of N-vinyl pyrrolidoneARCO CHEM TECH·Filed 2002·Granted Jun 14, 2005·2 cites·3 claims
- 2564US2025179230A1Functional fluoropolymersARKEMA INC·Filed 2025·Application pending·0 cites
- 2662US5763630APropylene oxide process using alkaline earth metal compound-supported silver catalystsARCO CHEM TECH·Filed 1996·Granted Jun 9, 1998·14 cites·19 claims
- 2761US6329561B1Impurities removalEQUISTAR CHEM LP·Filed 2000·Granted Dec 11, 2001·8 cites·4 claims
- 2860US12435174B2Functional fluoropolymersARKEMA INC·Filed 2019·Granted Oct 7, 2025·0 cites·15 claims
- 2959US12209152B2Functional fluoropolymersARKEMA INC·Filed 2019·Granted Jan 28, 2025·0 cites·12 claims
- 3059US7045639B2Method for purifying N-(2-hydroxyethyl)-2-pyrrolidoneLYONDELL CHEMICAL TECH LP·Filed 2004·Granted May 16, 2006·1 cites·19 claims
- 3158US8067634B2Process for producing allyl acetateSAWYER GARY A·Filed 2009·Granted Nov 29, 2011·0 cites·13 claims
- 3256US8263801B2Process for producing allyl acetateKAHN ANDREW P·Filed 2009·Granted Sep 11, 2012·0 cites·20 claims
- 3356US7022885B2Purification on methyl tertiary butyl etherARCO CHEM TECH·Filed 2002·Granted Apr 4, 2006·1 cites·3 claims
- 3454US5861519APropylene oxide process using alkaline earth metal compound-supported silver catalysts containing tungsten and potassium promotersARCO CHEM TECH·Filed 1997·Granted Jan 19, 1999·11 cites·13 claims
- 3553US7238260B2Purification of N-(2-hydroxyethyl)-2-pyrrolidoneLYONDELL CHEMICAL TECH LP·Filed 2004·Granted Jul 3, 2007·4 cites·4 claims
- 3649US11326008B2Synthesis of surfactant-free poly (vinylidene fluoride) latexes via raft emulsion polymerizationARKEMA FRANCE·Filed 2018·Granted May 10, 2022·0 cites·11 claims
- 3749US2010317880A1Direct epoxidation process using modifiersGREY ROGER A·Filed 2009·Application pending·0 cites
- 3846US7153978B2Method for purifying N-methyl-2-pyrrolidoneLYONDELL CHEMICAL TECH LP·Filed 2004·Granted Dec 26, 2006·0 cites·8 claims
- 3944US6696579B2Alkylene carbonate purificationARCO CHEM TECH·Filed 2002·Granted Feb 24, 2004·0 cites·5 claims
- 4034US2006111598A1Diisobutylene processLIN SHAW-CHAN·Filed 2004·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →