Inventor · disambiguated record
Norbert Lui
Also filed as: LUI NORBERT
120 granted patents·11 pending applications·570 citations·filing 1993–2018
99Inventor score
Top patents by PatentIndex Score
131 records- 0198US6358887B12-Phenyl-substituted heterocyclic 1,3-ketonols as herbicides and pesticidesBAYER AG·Filed 1996·Granted Mar 19, 2002·155 cites·11 claims
- 0294US8772266B2Fungicide pyrazole carboxamides derivatesBARTELS GUENTER·Filed 2010·Granted Jul 8, 2014·16 cites·19 claims
- 0393US5463150AProcess for preparing hexafluorobuteneBAYER AG·Filed 1994·Granted Oct 31, 1995·44 cites·8 claims
- 0489US8765971B2Preparing 5-fluoro-1-alkyl-3-fluoroalkyl-1H-pyrazole-4-carbaldehydesBAYER IP GMBH·Filed 2013·Granted Jul 1, 2014·6 cites·5 claims
- 0588US9670182B2Method for producing substituted anthranilic acid derivativesBAYER IP GMBH·Filed 2015·Granted Jun 6, 2017·2 cites·15 claims
- 0688US6746990B22-phenyl-substituted heterocyclic 1,3-ketoenols as herbicides and pesticidesBAYER AG·Filed 2001·Granted Jun 8, 2004·17 cites·10 claims
- 0788US6706911B1Preparation of 2-haloacyl-3-aminoacrylic acid derivativesBAYER AG·Filed 2002·Granted Mar 16, 2004·29 cites·10 claims
- 0887US8722717B23-triazolylphenyl-substituted sulphide derivatives as acaricides and insecticidesALIG BERND·Filed 2010·Granted May 13, 2014·4 cites·26 claims
- 0987US8350053B2Process for the regioselective preparation of 1-alkyl-3-haloalkylpyrazole-4-carboxylic acid derivativesBAYER CROPSCIENCE AG·Filed 2009·Granted Jan 8, 2013·6 cites·5 claims
- 1087US8093421B2Stereoselective one step fluorination process for the preparation of 2-flouropropionateLUI NORBERT·Filed 2007·Granted Jan 10, 2012·6 cites·10 claims
- 1186US8629288B2Method for the regioselective synthesis of 1-alky1-3-haloalkyl-pyrazole-4-carboxylic acid derivativesPAZENOK SERGII·Filed 2009·Granted Jan 14, 2014·5 cites·11 claims
- 1286US8436191B2Preparing 5-fluoro-1-alkyl-3-fluoroalkyl-1H-pyrazole-4-carbonyl chloridesPAZENOK SERGII·Filed 2010·Granted May 7, 2013·5 cites·5 claims
- 1386US8324393B2Method for producing 2,2-difluoroethylamine derivatives by imine hydrogenationLUI NORBERT·Filed 2008·Granted Dec 4, 2012·5 cites·17 claims
- 1486US6162943AMethod for producing α-alkoxy-α-trifluoromethyl-aryl acetic esters and -aryl acetic acidsBAYER AG·Filed 1997·Granted Dec 19, 2000·31 cites·8 claims
- 1584US8632767B23-[1-(3-haloalkyl)triazolyl]phenyl sulphide derivatives as acaricides and insecticidesALIG BERND·Filed 2010·Granted Jan 21, 2014·3 cites·18 claims
- 1684US8466293B2Process for preparing 2,2-difluoroethylamine derivatives by alkylation with 2,2-difluoroethyl-1-haloethanesLUI NORBERT·Filed 2011·Granted Jun 18, 2013·4 cites·20 claims
- 1784US8314133B2Process for preparing chiral 3-triazolyl sulphoxide derivativesANTONS STEFAN·Filed 2010·Granted Nov 20, 2012·4 cites·10 claims
- 1883US8299260B2Process for preparing aryl-substituted pyrazolesPAZENOK SERGII·Filed 2010·Granted Oct 30, 2012·3 cites·16 claims
- 1983US5315047AProcess for the preparation of hexafluorobutane, and intermediates thereby obtainableBAYER AG·Filed 1993·Granted May 24, 1994·20 cites·4 claims
- 2082US9398767B2Fungicide pyrazole carboxamides derivativesBAYER IP GMBH·Filed 2014·Granted Jul 26, 2016·2 cites·7 claims
- 2182US8592605B2Method for the regioselective synthesis of 1-Alkyl-3-haloalkyl-pyrazole-4-carboxylic acid derivativesBAYER CROPSCIENCE AG·Filed 2013·Granted Nov 26, 2013·3 cites·3 claims
- 2281US9260378B2Process for the preparation of substituted N-(benzyl)cyclopropanamines by imine hydrogenationLUI NORBERT·Filed 2011·Granted Feb 16, 2016·2 cites·12 claims
- 2380US8273904B2Method for preparing 4-aminobut-2-enolidesLUI NORBERT·Filed 2008·Granted Sep 25, 2012·2 cites·16 claims
- 2480US8242311B2Process for preparing 2,2-difluoroethylamine and salts thereof proceeding from difluoroacetonitrileLUI NORBERT·Filed 2010·Granted Aug 14, 2012·2 cites·10 claims
- 2579US9617220B2Method for the preparation of perfluoroalkyl containing pyrazoles carboxylatesBAYER CROPSCIENCE AG·Filed 2013·Granted Apr 11, 2017·2 cites·19 claims
- 2679US9309202B2Method for producing 3,5-bis(fluoroalkyl)-pyrazol-4-carboxylic acid derivatives and 3,5-bis(fluoroalkyl)-pyrazolesBAYER CROPSCIENCE AG·Filed 2013·Granted Apr 12, 2016·4 cites·13 claims
- 2779US8242313B2Alkoxy enones and enamino ketones and a process for preparation thereofPAZENOK SERGII·Filed 2011·Granted Aug 14, 2012·2 cites·10 claims
- 2878US8273897B2Method for producing 2,2-difluoroethylamine derivative by amide hydrogenationLUI NORBERT·Filed 2008·Granted Sep 25, 2012·2 cites·7 claims
- 2978US8188319B2Process for preparing 2,2-difluoroethylamineLUI NORBERT·Filed 2010·Granted May 29, 2012·2 cites·8 claims
- 3077US9056861B2Process for preparing tetrazole-substituted anthranilamide derivatives and novel crystal polymorphs of these derivativesBAYER CROPSCIENCE AG·Filed 2014·Granted Jun 16, 2015·3 cites·9 claims
- 3177US8609868B2Process for preparing dithiine-tetracarboxy-diimidesLUI NORBERT·Filed 2011·Granted Dec 17, 2013·2 cites·13 claims
- 3277US8431718B2Process for the preparation of 5-fluoro-1-alkyl-3-fluoroalky1-1H-pyrazole-4-carbonyl chlorides and fluoridesPAZENOK SERGII·Filed 2011·Granted Apr 30, 2013·2 cites·10 claims
- 3377US8318955B2Process for preparing 2,4-dioxotetrahydrofuran-3-carboxylatesLUI NORBERT·Filed 2010·Granted Nov 27, 2012·2 cites·15 claims
- 3476US8455689B2Process for preparing substituted biphenylanilidesDOCKNER MICHAEL·Filed 2009·Granted Jun 4, 2013·4 cites·14 claims
- 3576US8362261B2Process for preparing pyridyl-substituted pyrazolesBAYER CROPSCIENCE AG·Filed 2010·Granted Jan 29, 2013·2 cites·7 claims
- 3676US8222435B2Dioxolane and dioxane derivatives and a process for their preparationPAZENOK SERGII·Filed 2010·Granted Jul 17, 2012·2 cites·10 claims
- 3775US8258335B2Process for preparing 2-dihaloacyl-3-aminoacrylic acid derivativesPAZENOK SERGII·Filed 2008·Granted Sep 4, 2012·2 cites·12 claims
- 3875US8044231B2Method for producing dihalo acetoacetic alkyl estersBAYER CROPSCIENCE AG·Filed 2008·Granted Oct 25, 2011·2 cites·18 claims
- 3973US8987460B2Process for preparing pyridyl-substituted pyrazolesPAZENOK SERGII·Filed 2013·Granted Mar 24, 2015·1 cites·2 claims
- 4073US5672787AProcess for preparing 1,1,1,4,4,4-hexafluorobutane in the liquid phaseBAYER AG·Filed 1996·Granted Sep 30, 1997·13 cites·8 claims
- 4172US6229017B1Process for preparing quinolone- and naphthyridone- carboxylic acids and esters thereofBAYER AG·Filed 1999·Granted May 8, 2001·19 cites·15 claims
- 4271US9376389B2Process for preparing 2,2-difluoroethylamine derivatives by alkylating 2,2-difluoroethylamineBAYER CROPSCIENCE AG·Filed 2013·Granted Jun 28, 2016·1 cites·16 claims
- 4371US8203015B2Process for preparing fluoroalkyl nitrilesLUI NORBERT·Filed 2010·Granted Jun 19, 2012·1 cites·9 claims
- 4470US8071824B2Method for producing alkenylnitrobenzene derivatives unbranched in the 1′-positionSTRAUB ALEXANDER·Filed 2007·Granted Dec 6, 2011·1 cites·9 claims
- 4570US6265430B13-thiocarbamoylpyrazole derivatives as pesticidesBAYER AG·Filed 1997·Granted Jul 24, 2001·14 cites·14 claims
- 4668US9969717B2Method for producing substituted anthranilic acid derivativesBAYER IP GMBH·Filed 2017·Granted May 15, 2018·0 cites·7 claims
- 4768US9169198B2Method for the production of 2-amino-5-cyano-N,3-dimethylbenzamideVOLZ FRANK·Filed 2012·Granted Oct 27, 2015·1 cites·17 claims
- 4868US8969572B2Process for preparing tetrazole-substituted anthranilamide derivatives and novel crystal polymorphs of these derivativesPAZENOK SERGII·Filed 2011·Granted Mar 3, 2015·1 cites·10 claims
- 4965US9000242B2Catalytic gas phase fluorination of 1,1,2-trichloroethane and/or 1,2-dichloroethene to produce 1-chloro-2,2-difluoroethaneBAYER IP GMBH·Filed 2012·Granted Apr 7, 2015·2 cites·12 claims
- 5065US2014256953A1Process for Preparing Chiral 3-Triazolyl Sulphoxide DerivativesBAYER CROPSCIENCE AG·Filed 2014·Application pending·0 cites
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