LexDanaLexDanabeta
Inventor

Norbert Lui

Inventor
Odenthal, DE

Overview

120→
Patents
1994–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 120 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C07Dprimary
C07DHeterocyclic compounds36%
C07CAcyclic or carbocyclic compounds26%
A01NPreservation of bodies of humans or animals or plants or parts thereof15%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations5%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry5%
Y02PClimate change mitigation technologies in the production or processing of goods3%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium3%
C07BGeneral methods of organic chemistry2%
A61KPreparations for medical, dental or toiletry purposes1%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds1%
PatentTitleYear
10,604,495Process for preparing substituted phenylisoxazoline derivatives202010,189,800Method for preparing N-(1,3,4-oxadiazol-2-yl)arylcarboxamides201910,189,799Process for preparing substituted phenylisoxazoline derivatives201910,035,773Method for producing 3,5-bis(fluoroalkyl)-pyrazol-4-carboxylic acid derivatives and 3,5-bis(fluoroalkyl)-pyrazoles20189,969,717Method for producing substituted anthranilic acid derivatives20189,957,256Process for the preparation of 5-fluoro-1H-pyrazoles starting from hexafluoropropene20189,951,023Process for preparing 5-fluoro-1-alkyl-3-fluoroalkyl-1H-pyrazole-4-carbaldehyde20189,932,312Process for preparing 5-fluoro-1-methyl-3-difluoromethyl-1H-pyrazole-4-carbaldehyde20189,914,704'Process for preparing 3,5-bis(haloalkyl)pyrazoles via acylation of ketimines'20189,856,222'Process for preparing 3,5-bis(haloalkyl)pyrazole derivatives via acylation of hydrazones'20189,845,312Process for the preparation of 5-fluoro-1H-pyrazoles20179,765,033'Method for the production of 3,5-bis(fluoroalkyl)pyrazole derivatives'20179,725,415'Process for the preparation of 5-fluoro-1H-pyrazoles'20179,701,640'Process for preparing 3,5-bis(haloalkyl)pyrazole derivatives from α,α-dihaloamines and ketimines'20179,695,126'Fungicide pyrazole carboxamides derivatives'20179,670,182'Method for producing substituted anthranilic acid derivatives'20179,656,966'Method for preparing 1-alkyl-3-difluoromethyl-5-fluor-1H-pyrazole-4-carbaldehydes and 1-alkyl-3-difluoromethyl-5-fluor-1H-pyrazole-4-carboxylates'20179,617,220'Method for the preparation of perfluoroalkyl containing pyrazoles carboxylates'20179,550,745'Method for preparing 4-aminobut-2-enolides'20179,512,081'Process for preparing 3,5-bis(fluoroalkyl)pyrazole derivatives from α,α-dihaloamines'20169,398,767'Fungicide pyrazole carboxamides derivatives'20169,376,389'Process for preparing 2,2-difluoroethylamine derivatives by alkylating 2,2-difluoroethylamine'20169,340,526'Process for preparing pyridyl-substituted pyrazoles'20169,309,202'Method for producing 3,5-bis(fluoroalkyl)-pyrazol-4-carboxylic acid derivatives and 3,5-bis(fluoroalkyl)-pyrazoles'20169,302,994'Process for the preparation of 5-fluoro-1H-pyrazoles'20169,260,378'Process for the preparation of substituted N-(benzyl)cyclopropanamines by imine hydrogenation'20169,169,198'Method for the production of 2-amino-5-cyano-N,3-dimethylbenzamide'20159,145,369'Process for preparing 1-alkyl-3-fluoroalkyl-1H-pyrazole-4-carboxylic acid chlorides'20159,056,848'Process for preparing sodium salts or potassium salts of 4-hydroxy-2-oxo-2,5-dihydrofuran-3-carboxylate'20159,056,861'Process for preparing tetrazole-substituted anthranilamide derivatives and novel crystal polymorphs of these derivatives'20159,000,242'Catalytic gas phase fluorination of 1,1,2-trichloroethane and/or 1,2-dichloroethene to produce 1-chloro-2,2-difluoroethane'20158,987,460'Process for preparing pyridyl-substituted pyrazoles'20158,975,448'Process for preparing 2,2-difluoroethanol'20158,969,572'Process for preparing tetrazole-substituted anthranilamide derivatives and novel crystal polymorphs of these derivatives'20158,940,899'Process for the preparation of 5-substituted 1-alkyltetrazolyl oxime derivatives'20158,916,710'Method for producing tetrazole-substituted anthranilic acid diamide derivatives by reacting pyrazolic acids with anthranilic acid esters'20148,835,645'Process for preparing cyanimino-1,3-thiazolidines'20148,785,673'Method for producing 2-chloroallyl thiocyanate and 2-chloroallyl isothiocyanate'20148,772,266'Fungicide pyrazole carboxamides derivates'20148,765,971'Preparing 5-fluoro-1-alkyl-3-fluoroalkyl-1H-pyrazole-4-carbaldehydes'20148,766,008'Process for preparing 2,2-difluoroethylamine from 2,2-difluoro-1-chloroethane and ammonia'20148,766,012'Process for the preparation of 2,2-difluoroethylamine starting from prop-2-en-1-amine'20148,765,970'Process for preparing chiral 3-triazolyl sulphoxide derivatives'20148,754,262'Process for preparing 2,2-difluoroethylamine by hydrogenating 1,1-difluoro-2-nitroethane'20148,722,717'3-triazolylphenyl-substituted sulphide derivatives as acaricides and insecticides'20148,680,285'Method for producing enaminocarbonyl compounds'20148,680,286'Method for producing enaminocarbonyl compounds'20148,680,283'Process for the preparation of 5-substituted 1-alkyltetrazolyl oxime derivatives'20148,637,673'Method for producing 2,2-difluoroethylamine derivatives by imine hydrogenation'20148,632,767'3-[1-(3-haloalkyl)triazolyl]phenyl sulphide derivatives as acaricides and insecticides'20148,629,288'Method for the regioselective synthesis of 1-alky1-3-haloalkyl-pyrazole-4-carboxylic acid derivatives'20148,609,868'Process for preparing dithiine-tetracarboxy-diimides'20138,592,605'Method for the regioselective synthesis of 1-Alkyl-3-haloalkyl-pyrazole-4-carboxylic acid derivatives'20138,586,756'Process for the preparation of 2,2-difluoroethylamine derivatives starting from N-(2,2-difluoroethyl)prop-2-en-1-amine'20138,586,753'Process for the preparation of 1-alkyl and 1-aryl-5-pyrazolecarboxylic acid derivatives'20138,580,973'Process for the preparation of 2,2-difluoroethylamine'20138,487,112'Method for producing 4-aminobut-2-enolides'20138,476,448'Solid form of 4-[[(6-chloropyridin-3-yl)methyl](2,2-difluoroethyl)amino]furan-2(5H)-one'20138,466,293'Process for preparing 2,2-difluoroethylamine derivatives by alkylation with 2,2-difluoroethyl-1-haloethanes'20138,455,664'Process for preparing 1-alkyl-3-difluoromethyl-5-hydroxypyrazoles'20138,455,689'Process for preparing substituted biphenylanilides'20138,450,528'Process for the preparation of 2,2-difluoroethylamine starting from a benzylamine compound'20138,436,191'Preparing 5-fluoro-1-alkyl-3-fluoroalkyl-1H-pyrazole-4-carbonyl chlorides'20138,436,211'Tetraarylborate process for the preparation of substituted biphenyls'20138,431,718'Process for the preparation of 5-fluoro-1-alkyl-3-fluoroalky1-1H-pyrazole-4-carbonyl chlorides and fluorides'20138,399,679'Aryl-substituted pyrazoles'20138,362,261'Process for preparing pyridyl-substituted pyrazoles'20138,350,053'Process for the regioselective preparation of 1-alkyl-3-haloalkylpyrazole-4-carboxylic acid derivatives'20138,344,151'Process for the preparation of 4-aminobut-2-enolides starting from 4-alkoxyfuran-2(5H)-one or 4-arylalkoxyfuran-2(5H)-one'20138,324,392'Solid form of 4-[[(6-chloropyridin-3-yl)methyl](2,2-difluoroethyl)amino]furan-2(5H)-one'20128,324,431'Process for preparing 2,4-dihydroxyphenyl 4-methoxybenzyl ketones'20128,324,393'Method for producing 2,2-difluoroethylamine derivatives by imine hydrogenation'20128,318,955'Process for preparing 2,4-dioxotetrahydrofuran-3-carboxylates'20128,314,242'Process for the preparation of 4-aminobut-2-enolides'20128,314,133'Process for preparing chiral 3-triazolyl sulphoxide derivatives'20128,299,260'Process for preparing aryl-substituted pyrazoles'20128,288,582'Method for the production of 2-fluoroacyl-3-aminoacrylic acid derivatives'20128,273,897'Method for producing 2,2-difluoroethylamine derivative by amide hydrogenation'20128,273,904'Method for preparing 4-aminobut-2-enolides'20128,258,335'Process for preparing 2-dihaloacyl-3-aminoacrylic acid derivatives'20128,242,311'Process for preparing 2,2-difluoroethylamine and salts thereof proceeding from difluoroacetonitrile'20128,242,313'Alkoxy enones and enamino ketones and a process for preparation thereof'20128,222,435'Dioxolane and dioxane derivatives and a process for their preparation'20128,203,015'Process for preparing fluoroalkyl nitriles'20128,188,319'Process for preparing 2,2-difluoroethylamine'20128,093,421'Stereoselective one step fluorination process for the preparation of 2-flouropropionate'20128,071,824'Method for producing alkenylnitrobenzene derivatives unbranched in the 1′-position'20118,044,231'Method for producing dihalo acetoacetic alkyl esters'20117,977,494'Method for producing substituted pyrazolecarboxylic acid chlorides'20117,968,747'Process for preparing 2-aminooxyethanol'20116,746,990'2-phenyl-substituted heterocyclic 1,3-ketoenols as herbicides and pesticides'20046,706,911'Preparation of 2-haloacyl-3-aminoacrylic acid derivatives'20046,613,948'Process for the preparation of 2,3,4,5-tetrafluorobenzene derivatives'20036,590,101'Process for the preparation of fluoroquinolonecarboxylic acids'20036,392,050'Process for preparing substituted pyridines'20026,358,887'2-Phenyl-substituted heterocyclic 1,3-ketonols as herbicides and pesticides'20026,265,430'3-thiocarbamoylpyrazole derivatives as pesticides'20016,229,017'Process for preparing quinolone- and naphthyridone- carboxylic acids and esters thereof'20016,162,943'Method for producing .alpha.-alkoxy-.alpha.-trifluoromethyl-aryl acetic esters and -aryl acetic acids'20006,130,350'Process for producing 2-fluorine-1-cyclopropane carboxylic acid derivatives by reductive dehalogenation'20006,034,116'Mixtures of substituted benzimidazoles with polyether antibiotics or synthetic coccidiostats as agents for use against parasitic protozoa'20006,013,664'Microbicidal agents based on thiophene-2-carboxylic acid derivatives'20005,969,197'Process for the preparation of chloro-fluoro-butenes'19995,932,760'(Meth)acrylates containing fluoroalkenyl groups, their preparation and use'19995,922,507'Imaging element comprising a two-phase layer having a disperse hydrophobic photopolymerisable phase'19995,874,656'Process for preparing o-alkylfluorobenzenes'19995,874,655'Process for the preparation of chlorinated aromatics'19995,739,380'(Meth)acrylates containing fluoroalkenyl groups, their preparation and use'19985,739,394'3,3-dioxy-4,4,4-trifluorobutyric acid derivatives'19985,672,787'Process for preparing 1,1,1,4,4,4-hexafluorobutane in the liquid phase'19975,648,566'Methyleneperfluorocycloalkanes and their use in the production of thermoplastic fluororesins'19975,646,329'Cyclopropylamine derivatives'19975,621,111'Process for the preparation of side chain-fluorinated alkyloxazoles, and new side chain-fluorinated alkyloxazoles'19975,523,497'Process for preparing hexafluorochlorobutenes'19965,463,088'Process for preparing perfluoroalkoxy (alkylthio) benzenes'19955,463,150'Process for preparing hexafluorobutene'19955,420,293'N-substituted .alpha.-fluoroalkyl-lactams'19955,420,364'Process for the preparation of halogenated aromatic compounds'19955,315,047'Process for the preparation of hexafluorobutane, and intermediates thereby obtainable'19945,306,849'Process for the preparation of halogenated aromatics'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–2004Patents assigned to BAYER AG (29)· patent assignee history
1994–1999Based in Cologne, DE· patent location history
1994Based in Cologna, DE· patent location history
1995–2001Based in Koln, DE· patent location history
2002–2004Based in Kln, DE· patent location history
2011–2020Patents assigned to BAYER CROPSCIENCE AG (72)· patent assignee history
2011–2017Patents assigned to LUI NORBERT (56)· patent assignee history
2011–2020Based in Odenthal, DE· patent location history
2012–2015Patents assigned to PAZENOK SERGII (22)· patent assignee history
2013–2018Patents assigned to BAYER IP GMBH (20)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BAYER CROPSCIENCE AG722011–2020
LUI NORBERTself562011–2017
BAYER AG291994–2004
PAZENOK SERGII222012–2015
BAYER IP GMBH202013–2018
Locations
LocationPatentsSpan
Odenthal, DE902011–2020
Koln, DE181995–2001
Kln, DE62002–2004
Cologne, DE51994–1999
Cologna, DE11994