Inventor · disambiguated record
Jan Van Krieken
Also filed as: KRIEKEN JAN VAN · VAN KRIEKEN JAN
24 granted patents·4 pending applications·67 citations·filing 2000–2024
93Inventor score
Top patents by PatentIndex Score
28 records- 0188US6630603B1Method of industrial-scale purification of lactic acidPURAC BIOCHEM BV·Filed 2000·Granted Oct 7, 2003·32 cites·23 claims
- 0285US7223885B2Method for the purification of a-hydroxy acids on an industrial scalePURAC BIOCHEM BV·Filed 2001·Granted May 29, 2007·14 cites·12 claims
- 0379US7705180B2Process for the preparation of lactic acid or lactate from a magnesium lactate comprising mediumPURAC BIOCHEM BV·Filed 2005·Granted Apr 27, 2010·7 cites·26 claims
- 0477US10017451B2Lactic acid extractionPURAC BIOCHEM BV·Filed 2012·Granted Jul 10, 2018·2 cites·22 claims
- 0577US9249073B2Method for manufacturing succinic acid estersPURAC BIOCHEM BV·Filed 2014·Granted Feb 2, 2016·1 cites·14 claims
- 0673US11998034B2Particulate composition containing co-crystal of malic acid and alkali metal hydrogen malatePURAC BIOCHEM BV·Filed 2021·Granted Jun 4, 2024·0 cites·16 claims
- 0773US8440860B2Process for manufacturing N, N-dialkyl lactamideVAN KRIEKEN JAN·Filed 2009·Granted May 14, 2013·2 cites·11 claims
- 0871US7002039B2Method for the purification of an alpha-hydroxy acid on an industrial scalePURAC BIOCHEM BV·Filed 2001·Granted Feb 21, 2006·5 cites·12 claims
- 0970US7867736B2Method for preparing an organic amine—lactic acid complexPURAC BIOCHEM BV·Filed 2007·Granted Jan 11, 2011·1 cites·11 claims
- 1070US2025100991A1Method for processing lactidesPURAC BIOCHEM BV·Filed 2023·Application pending·0 cites
- 1166US11299447B2Method for isolating a carboxylic acid from an aqueous solutionPURAC BIOCHEM BV·Filed 2012·Granted Apr 12, 2022·1 cites·25 claims
- 1263US10626069B2Method for preparing methyl lactatePURAC BIOCHEM BV·Filed 2014·Granted Apr 21, 2020·0 cites·20 claims
- 1363US2024417362A1Method for manufacturing sodium lactate solid particles and use thereofPURAC BIOCHEM BV·Filed 2024·Application pending·0 cites
- 1460US2024262779A1Co-crystal of citric acid and glycine and uses thereofPURAC BIOCHEM BV·Filed 2024·Application pending·0 cites
- 1557US10577339B2Method for manufacturing furan-2,5-dicarboxylic acid (FDCA) from a salt solutionPURAC BIOCHEM BV·Filed 2016·Granted Mar 3, 2020·0 cites·10 claims
- 1657US10118908B2Method for manufacturing furan-2,5-dicarboxylic acid (FDCA) from a solid saltPURAC BIOCHEM BV·Filed 2016·Granted Nov 6, 2018·0 cites·12 claims
- 1756US12398047B2Method for purifying magnesium chloride solutionsPURAC BIOCHEM BV·Filed 2021·Granted Aug 26, 2025·0 cites·9 claims
- 1856US11130727B2Process for the production of methyl acrylate from methyl lactatePURAC BIOCHEM BV·Filed 2018·Granted Sep 28, 2021·0 cites·20 claims
- 1954US8865438B2Process for the preparation of a monovalent succinate saltVAN KRIEKEN JAN·Filed 2009·Granted Oct 21, 2014·0 cites·5 claims
- 2054US8486480B2Controlled acidification of food products using lactic- or glycolic acid oligomers/derivativesVAN KRIEKEN JAN·Filed 2003·Granted Jul 16, 2013·2 cites·13 claims
- 2147US8987510B2Method for removal of the cyclic diester of a 2-hydroxy alkanoic acid from a vaporVAN KRIEKEN JAN·Filed 2012·Granted Mar 24, 2015·0 cites·13 claims
- 2247US2006247449A1Method for purifying glycolidePURAC BIOCHEM BV·Filed 2006·Application pending·0 cites
- 2346US10683520B2Polycarboxylic acid extractionPURAC BIOCHEM BV·Filed 2012·Granted Jun 16, 2020·0 cites·27 claims
- 2443US10399956B2Method for manufacturing lactidePURAC BIOCHEM BV·Filed 2016·Granted Sep 3, 2019·0 cites·15 claims
- 2543US9644218B2Fermentation processPURAC BIOCHEM BV·Filed 2013·Granted May 9, 2017·0 cites·17 claims
- 2638US7332085B2Method for the purification of an α-hydroxy acid on an industrial scalePURAC BIOCHEM BV·Filed 2001·Granted Feb 19, 2008·0 cites·26 claims
- 2737US10570085B2Process for manufacturing acrylic acidPURAC BIOCHEM BV·Filed 2016·Granted Feb 25, 2020·0 cites·31 claims
- 2837US6967257B1Method of purifying lactic acid estersPURAC BIOCHEM BV·Filed 2000·Granted Nov 22, 2005·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →