Inventor

KYSELA ERNST

DE37 patents

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

KYSELA ERNST

BAYER AG

Process for the production of diurethanes and their use for the production of diisocyanates

Process for introducing fluorine atoms into aromatic rings by nucleophilic exchange

Process for the preparation of bistrifluoromethylbenzylamines

Fluorine-containing acetophenones optionally halogenated on the CH3 -group and their precurser fluorine-containing benzonitriles

Process for the preparation of benzoic acid derivatives

1-benzylsulphonyl-3-heteroaryl-(thio)urea herbicides

Symmetric benzophenones substituted by groups containing fluorine

3-substituted 1-(2-halogenoalkoxy-benzenesulphonyl)-3-heteroaryl-(thio)ureas

Herbicidal and microbiocidal 2-trifluoromethyl-benzimidazoles

Process for preparing aromatic aldehydes

Preparation of new fluoropivalic acid fluorides

Process for the preparation of dienes

Substituted cinnamic acids and cinnamic acid esters

Bifunctional reactive dyestuffs containing vinylsulphone or alkylsulphone groups and a 2,4 difluoro pyrimidine group

Antimycotically active substituted 2-aminothiazoles

Herbicidal cycloalkyl-substituted thiadiazolyloxyacetamides

Hydroxyalkinyl-azolyl derivatives

Pesticides based on 2-halogenoalkylthio-substituted pyrimidine derivatives

Substituted 1-benzylsulphonyl-3-heteroaryl-(thio)urea herbicides

Process for the preparation of benzoic acid derivatives

Substituted 1-benzylsulphonyl-3-heteroaryl-(thio)urea herbicides

Process for the preparation of 2,3,5,6-tetrafluorobenzoic acid, and the new compounds 2,3,5,6-tetrachloro-4-trifluoromethyl-benzoyl chloride and 2,3,5,6-tetrafluoro-4-trifluoromethyl-benzoyl fluoride

Herbicidal novel 1-(2-trifluoromethoxy-phenylsulphonyl)-3-heteroaryl-(thio)ureas

1,1-Dichloro-4-methyl-3-hydroxy-pent-1-ene

Process for the preparation of 2,4,6-trifluoro-1,3,5-triazine

Fluoromethylated polycyanobenzenes, their alkali metal cyanide adducts, processes for their preparation and use of the fluoromethylated polycyanobenzenes

4-substituted 5-chloro-2-hydrazinothiazoles

Process for the preparation of 2-amino-2-arylethanols and novel intermediates

Process for the preparation of 2-amino-2-arylethanols and novel intermediates

Method of preparing 2-trifluoromethoxy-benzenesulphonamide

Process for the preparation of 2-amino-2-arylethanols and novel intermediates

Polycyanopyrimidines and process for their preparation

Preparation of 3-bromo-4-fluorotoluene

Process for the preparation of triazines containing a mixture of chlorine and fluorine substituents, and of cyanuric fluoride

Aryl-alkinyl halocycloalkyl oxiranes

Herbicidal fluorothiadiazolyl oxyacetamides

BAYER CROPSCIENCE AG

Method for production of Δ1-pyrrolines