Inventor
Ernst Kysela
Inventor
Bergisch Gladbach, DE
Overview
Patents· 37 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds44%
C07DHeterocyclic compounds30%
A01NPreservation of bodies of humans or animals or plants or parts thereof18%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations2%
C07BGeneral methods of organic chemistry2%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds2%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments2%
G01NInvestigating or analysing materials by determining their chemical or physical properties2%
PatentTitleYear
7,250,521'Method for production of Δ1-pyrrolines'20076,455,725'Substituted cinnamic acids and cinnamic acid esters'20026,137,011'Process for the preparation of bistrifluoromethylbenzylamines'20006,031,134'Process for the preparation of 2-amino-2-arylethanols and novel intermediates'20006,022,995'Process for the preparation of 2-amino-2-arylethanols and novel intermediates'20005,925,788'Method of preparing 2-trifluoromethoxy-benzenesulphonamide'19995,858,922'Herbicidal fluorothiadiazolyl oxyacetamides'19995,744,633'Process for the production of diurethanes and their use for the production of diisocyanates'19985,602,282'Process for the preparation of 2-amino-2-arylethanols and novel intermediates'19975,319,074'Bifunctional reactive dyestuffs containing vinylsulphone or alkylsulphone groups and a 2,4 difluoro pyrimidine group'19945,175,336'Fluoromethylated polycyanobenzenes, their alkali metal cyanide adducts, processes for their preparation and use of the fluoromethylated polycyanobenzenes'19925,169,427'Herbicidal cycloalkyl-substituted thiadiazolyloxyacetamides'19925,142,092'Fluorine-containing acetophenones optionally halogenated on the CH.sub.3 -group and their precurser fluorine-containing benzonitriles'19925,138,056'Polycyanopyrimidines and process for their preparation'19925,097,050'Aryl-alkinyl halocycloalkyl oxiranes'19925,068,343'4-substituted 5-chloro-2-hydrazinothiazoles'19915,025,030'Hydroxyalkinyl-azolyl derivatives'19914,990,637'1-benzylsulphonyl-3-heteroaryl-(thio)urea herbicides'19914,990,661'Process for the preparation of benzoic acid derivatives'19914,978,382'Pesticides based on 2-halogenoalkylthio-substituted pyrimidine derivatives'19904,978,769'Process for introducing fluorine atoms into aromatic rings by nucleophilic exchange'19904,956,370'Antimycotically active substituted 2-aminothiazoles'19904,927,454'Substituted 1-benzylsulphonyl-3-heteroaryl-(thio)urea herbicides'19904,851,160'Process for the preparation of benzoic acid derivatives'19894,806,147'Substituted 1-benzylsulphonyl-3-heteroaryl-(thio)urea herbicides'19894,792,635'Symmetric benzophenones substituted by groups containing fluorine'19884,780,126'3-substituted 1-(2-halogenoalkoxy-benzenesulphonyl)-3-heteroaryl-(thio)ureas'19884,767,444'Herbicidal and microbiocidal 2-trifluoromethyl-benzimidazoles'19884,755,621'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'19884,732,711'Herbicidal novel 1-(2-trifluoromethoxy-phenylsulphonyl)-3-heteroaryl-(thio)ureas'19884,588,844'Process for preparing aromatic aldehydes'19864,549,994'Preparation of new fluoropivalic acid fluorides'19854,351,974'Preparation of 3-bromo-4-fluorotoluene'19824,329,458'Process for the preparation of 2,4,6-trifluoro-1,3,5-triazine'19824,216,173'1,1-Dichloro-4-methyl-3-hydroxy-pent-1-ene'19804,161,593'Process for the preparation of triazines containing a mixture of chlorine and fluorine substituents, and of cyanuric fluoride'19794,078,008'Process for the preparation of dienes'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–2002Patents assigned to BAYER AG (36)· patent assignee history
1978–1980Based in Bensberg, DE· patent location history
1979–2007Based in Bergisch Gladbach, DE· patent location history
1982Based in Leverkusen, DE· patent location history
2007Patents assigned to BAYER CROPSCIENCE AG (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BAYER AG | 36 | 1978–2002 |
| BAYER CROPSCIENCE AG | 1 | 2007 |
Locations
| Location | Patents | Span |
|---|---|---|
| Bergisch Gladbach, DE | 34 | 1979–2007 |
| Bensberg, DE | 2 | 1978–1980 |
| Leverkusen, DE | 1 | 1982 |