Inventor

NEEFF ARND

DE16 patents

⚠️ This page may combine multiple inventors who share the name “NEEFF ARND”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BAYER CROPSCIENCE AG

13 patents

US7939673B2May 10, 2011

Process for preparing 3-dihalomethyl-pyrazole-4-carboxylic acid derivatives

BAYER CROPSCIENCE AG16 citations74

US8350053B2Jan 8, 2013

Process for the regioselective preparation of 1-alkyl-3-haloalkylpyrazole-4-carboxylic acid derivatives

BAYER CROPSCIENCE AG6 citations73

US9617220B2Apr 11, 2017

Method for the preparation of perfluoroalkyl containing pyrazoles carboxylates

BAYER CROPSCIENCE AG2 citations72

US9056861B2Jun 16, 2015

Process for preparing tetrazole-substituted anthranilamide derivatives and novel crystal polymorphs of these derivatives

BAYER CROPSCIENCE AG3 citations61

US7714144B2May 11, 2010

Method for the production of 5-fluoro-1,3-dialkyl-1H-pyrazol-4-carbonyl fluorides

BAYER CROPSCIENCE AG5 citations61

US10906893B2Feb 2, 2021

Method for preparing methyl 4-[(4,5-dihydro-3-methoxy-4-methyl-5-oxo-1H-1,2,4-triazol-1-yl)carbonyl)sulfamoyl]-5-methylthiophene-3-carboxylate

BAYER CROPSCIENCE AG0 citations58

US9518025B2Dec 13, 2016

Process for preparing 3,5-bis(haloalkyl)pyrazole derivatives from a,a-dihaloamines

BAYER CROPSCIENCE AG2 citations56

US7919632B2Apr 5, 2011

Process for preparing 3,5-bis(haloalkyl)pyrazole derivatives from α,α-dihaloamines and ketimines

BAYER CROPSCIENCE AG0 citations41

US7968728B2Jun 28, 2011

Method for producing carboxamides

BAYER CROPSCIENCE AG0 citations40

US9512081B2Dec 6, 2016

Process for preparing 3,5-bis(fluoroalkyl)pyrazole derivatives from α,α-dihaloamines

BAYER CROPSCIENCE AG0 citations37

PAZENOK SERGII

3 patents

US8242313B2Aug 14, 2012

Alkoxy enones and enamino ketones and a process for preparation thereof

PAZENOK SERGII2 citations62

US8969572B2Mar 3, 2015

Process for preparing tetrazole-substituted anthranilamide derivatives and novel crystal polymorphs of these derivatives

PAZENOK SERGII1 citations50

US8916710B2Dec 23, 2014

Method for producing tetrazole-substituted anthranilic acid diamide derivatives by reacting pyrazolic acids with anthranilic acid esters

PAZENOK SERGII0 citations36

NEEFF ARND

BAYER CROPSCIENCE AG

Process for preparing 3-dihalomethyl-pyrazole-4-carboxylic acid derivatives

Process for the regioselective preparation of 1-alkyl-3-haloalkylpyrazole-4-carboxylic acid derivatives

Method for the preparation of perfluoroalkyl containing pyrazoles carboxylates

Process for preparing tetrazole-substituted anthranilamide derivatives and novel crystal polymorphs of these derivatives

Method for the production of 5-fluoro-1,3-dialkyl-1H-pyrazol-4-carbonyl fluorides

Method for preparing methyl 4-[(4,5-dihydro-3-methoxy-4-methyl-5-oxo-1H-1,2,4-triazol-1-yl)carbonyl)sulfamoyl]-5-methylthiophene-3-carboxylate

Process for preparing 3,5-bis(haloalkyl)pyrazole derivatives from a,a-dihaloamines

Method for producing carboxamides

Process for the preparation of 5-fluoro-1H-pyrazoles

Method for preparing N-(1,3,4-oxadiazol-2-yl)arylcarboxamides

Process for preparing 3,5-bis(haloalkyl)pyrazole derivatives from α,α-dihaloamines and ketimines

Method for producing carboxamides

Process for preparing 3,5-bis(fluoroalkyl)pyrazole derivatives from α,α-dihaloamines

PAZENOK SERGII

Alkoxy enones and enamino ketones and a process for preparation thereof

Process for preparing tetrazole-substituted anthranilamide derivatives and novel crystal polymorphs of these derivatives

Method for producing tetrazole-substituted anthranilic acid diamide derivatives by reacting pyrazolic acids with anthranilic acid esters