Inventor · disambiguated record
Volker Maywald
Also filed as: MAYWALD VOLKER
47 granted patents·5 pending applications·149 citations·filing 1991–2020
97Inventor score
Top patents by PatentIndex Score
52 records- 0190US6124469AProcess for preparing sulphurous 2-chloro-3-(4,5-dihydroisoxazol-3-yl)-benzoic acidsBASF AG·Filed 1998·Granted Sep 26, 2000·50 cites·9 claims
- 0283US8344157B2Process for preparing 1,3-disubstituted pyrazolecarboxylic estersBASF SE·Filed 2009·Granted Jan 1, 2013·3 cites·7 claims
- 0383US5201932ACarboxamidesBASF AG·Filed 1992·Granted Apr 13, 1993·28 cites·27 claims
- 0482US8207354B2Process for preparing alkyl 2-alkoxymethylene-4,4-difluoro-3-oxobutyratesMAYWALD VOLKER·Filed 2009·Granted Jun 26, 2012·4 cites·19 claims
- 0579US8314233B2Process for preparing 2-(aminomethylidene)-4,4-difluoro-3-oxobutyric estersZIERKE THOMAS·Filed 2009·Granted Nov 20, 2012·2 cites·9 claims
- 0677US9365495B2Process for manufacturing aryloxyacetamidesDOCHNAHL MAXIMILIAN·Filed 2012·Granted Jun 14, 2016·2 cites·8 claims
- 0777US8716487B2Process for preparing 4-hydroxypyridinesMAYWALD VOLKER·Filed 2011·Granted May 6, 2014·3 cites·14 claims
- 0875US8592578B2Process for preparing 2-(aminomethylidene)-4,4-difluoro-3-oxobutyric estersBASF SE·Filed 2012·Granted Nov 26, 2013·1 cites·14 claims
- 0974US7595426B2Method for the production of 1,3,5-trifluoro-2,4,6-trichlorobenzene from fluorobenzene derivativesBASF AG·Filed 2006·Granted Sep 29, 2009·2 cites·18 claims
- 1071US6831041B2Oil suspension concentrates based on a cyclohexenone oxime ether lithium salt and the use thereof as plant protection agentsBASF AG·Filed 2001·Granted Dec 14, 2004·5 cites·10 claims
- 1171US5244867AOxazole- and thiazolecarboxamidesBASF AG·Filed 1991·Granted Sep 14, 1993·13 cites·20 claims
- 1270US9359312B2Process for manufacturing benzoxazinonesDOCHNAHL MAXIMILIAN·Filed 2012·Granted Jun 7, 2016·1 cites·10 claims
- 1369US8350046B2Method for manufacturing aryl carboxamidesBASF SE·Filed 2009·Granted Jan 8, 2013·1 cites·10 claims
- 1465US5284821AOxazole- and thiazolecarboxamidesBASF AG·Filed 1992·Granted Feb 8, 1994·9 cites·13 claims
- 1562US11261145B2Process for preparing bromotrichloromethaneBASF SE·Filed 2018·Granted Mar 1, 2022·0 cites·13 claims
- 1659US11591293B2Manufacturing method for an aromatic isocyanate compoundBASF SE·Filed 2019·Granted Feb 28, 2023·0 cites·15 claims
- 1755US5399544AIsoxazole- and isothiazole-5-carboxamidesBASF AG·Filed 1992·Granted Mar 21, 1995·5 cites·5 claims
- 1854US9409894B2CarbamatesBASF SE·Filed 2013·Granted Aug 9, 2016·0 cites·8 claims
- 1954US5684200AProcess for the preparation of hydroxylamine ethers and their salts and intermediates for this purposeBASF AG·Filed 1993·Granted Nov 4, 1997·5 cites·9 claims
- 2052US9512093B2Process for manufacturing 4-propargylated amino-benzoxazinonesBASF SE·Filed 2014·Granted Dec 6, 2016·0 cites·13 claims
- 2152US9126905B2Process for manufacturing fluoroaromaticsBASF SE·Filed 2013·Granted Sep 8, 2015·0 cites·13 claims
- 2252US8598222B2Method for preparing 1,3,4-substituted pyrazol compoundsWOLF BERND·Filed 2009·Granted Dec 3, 2013·0 cites·23 claims
- 2352US8461390B2Method for producing substituted biphenylsSMIDT SEBASTIAN PEER·Filed 2009·Granted Jun 11, 2013·0 cites·1 claims
- 2451US9353070B2Carbamat-benzoxazinonesBASF SE·Filed 2013·Granted May 31, 2016·0 cites·9 claims
- 2551US2023242493A1Processes for making tetrazolinone compoundsBASF SE·Filed 2020·Application pending·0 cites
- 2650US8586750B2Method for the production of halogen-substituted 2-(aminomethylidene)-3-oxobutyric acid estersZIERKE THOMAS·Filed 2009·Granted Nov 19, 2013·0 cites·16 claims
- 2750US2010087640A1Method for production of aryl-substituted annelated pyrimidinesBASF SE·Filed 2008·Application pending·0 cites
- 2849US9518045B2Process for manufacturing benzoxazinonesBASF SE·Filed 2013·Granted Dec 13, 2016·0 cites·14 claims
- 2948US10538493B2Process for the purification of 1-(4-chlorophenyl)pyrazol-3-olBASF SE·Filed 2017·Granted Jan 21, 2020·0 cites·7 claims
- 3048US9546130B2Process for manufacturing haloacetamidesBASF SE·Filed 2014·Granted Jan 17, 2017·0 cites·8 claims
- 3146US9000152B2Process for manufacturing triazinon-benzoxazinonesWOLF BERND·Filed 2012·Granted Apr 7, 2015·0 cites·10 claims
- 3246US6329530B1Method for the production of 1-substituted 5-hydroxypyrazolesBASF AG·Filed 1999·Granted Dec 11, 2001·3 cites·7 claims
- 3346US5378680ADicarboximides and their use as herbicidesBASF AG·Filed 1992·Granted Jan 3, 1995·2 cites·26 claims
- 3446US2010056820A1Method for the production of substituted 2-aryl malonic acid estersBASF SE·Filed 2008·Application pending·0 cites
- 3545US9062012B2Process for manufacturing 4-substituted amino-benzoxazinonesWOLF BERND·Filed 2012·Granted Jun 23, 2015·0 cites·8 claims
- 3643US2008200675A1Method for Production of Substituted Phenylmalonate Esters, Novel Phenylmalonate Esters and Use ThereofBASF AG·Filed 2006·Application pending·0 cites
- 3742US6989453B2Method of producing a cyclohexenone oxime ether lithium salt, products which can be obtained using this method, the use thereof and corresponding plant protection agentsBASF AG·Filed 2001·Granted Jan 24, 2006·0 cites·18 claims
- 3842US5256633AOxazole-and thiazolecarboxyamides as herbicidesBASF AG·Filed 1992·Granted Oct 26, 1993·3 cites·3 claims
- 3941US8492558B2Method for producing 2-aminobiphenyleneZIERKE THOMAS·Filed 2010·Granted Jul 23, 2013·0 cites·12 claims
- 4041US6392058B1Method for producing 1-substituted 5-HydroxypyrazolesBASF AG·Filed 1999·Granted May 21, 2002·2 cites·13 claims
- 4141US5576270AIsoxazolecarboxamides, their preparation and their useBASF AG·Filed 1994·Granted Nov 19, 1996·1 cites·5 claims
- 4241US2008146839A1Method for Producing 5-Halo-2,4,6-Trifluoroisophthalic AcidBASF AG·Filed 2006·Application pending·0 cites
- 4339US6201135B1Method for separating contaminants from 3-(2′-Acetoxy-Ethyl-Dihydro-2(3H)-FuranoneBASF AG·Filed 1998·Granted Mar 13, 2001·1 cites·6 claims
- 4439US5276160APreparation of 3-carbamoylisoxazole-4-carboxylic esters by selective amidationBASF AG·Filed 1993·Granted Jan 4, 1994·1 cites·5 claims
- 4538US7253323B2Method for the production of benzophenonesBASF AG·Filed 2003·Granted Aug 7, 2007·0 cites·13 claims
- 4638US5264580APreparation of isoxazole-3,4-dicarboxylic acid derivativesBASF AG·Filed 1993·Granted Nov 23, 1993·1 cites·5 claims
- 4736US6107254A5-(Dioxabicyclohept-6-yl)-cyclohexenone oxime ethers, and the preparation and thereof useBASF AG·Filed 1997·Granted Aug 22, 2000·1 cites·9 claims
- 4832US5176739ADicarboximides and their use as herbicidesBASF AG·Filed 1991·Granted Jan 5, 1993·0 cites·27 claims
- 4930US6488818B1Removal of impurities from 3-(2′-acetoxyethyl)-dihydro-2(3H)furanoneBASF AG·Filed 1999·Granted Dec 3, 2002·0 cites·6 claims
- 5030US5473069APreparation of isoxazole-4,5-dicarboxylic diestersBASF AG·Filed 1991·Granted Dec 5, 1995·0 cites·7 claims
Showing the top 50 of 52 patent records by PatentIndex Score.
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