Inventor · disambiguated record
Helmut Heitzer
Also filed as: EUE LUDWIG · HEITZER HELMUT
19 granted patents·147 citations·filing 1975–1996
93Inventor score
Files withBAYER AG19
Top patents by PatentIndex Score
19 records- 0196US4179277A4,5-Dichloroimidazole-2-carboxylic acid derivativesBAYER AG·Filed 1977·Granted Dec 18, 1979·32 cites·25 claims
- 0290US4748243APreparation of 2-chloro-5-chloromethylthiazoleBAYER AG·Filed 1987·Granted May 31, 1988·30 cites·7 claims
- 0382US4369186A4,5-Dichloroimidazole-2-carboxylic acid derivativesBAYER AG·Filed 1979·Granted Jan 18, 1983·10 cites·10 claims
- 0478US4187306ABenzodiazepine-diones, a process for their production and their use as medicamentsBAYER AG·Filed 1978·Granted Feb 5, 1980·15 cites·21 claims
- 0574US5708180AProcess for the preparation of 2-halogenopyridinealdehydes and novel 2-halogenopyridinealdehydesBAYER AG·Filed 1996·Granted Jan 13, 1998·19 cites·7 claims
- 0669US5221681ASubstituted benzoxazepines and benzothiazepinesBAYER AG·Filed 1992·Granted Jun 22, 1993·23 cites·5 claims
- 0758US4293331ANovel acyloxamides and plant growth regulant compositionsBAYER AG·Filed 1979·Granted Oct 6, 1981·3 cites·15 claims
- 0857US4140857AProcess for the preparation of 2,4,5-trichloropyrimidineBAYER AG·Filed 1978·Granted Feb 20, 1979·3 cites·6 claims
- 0956US4350520APlant growth regulant compositionsBAYER AG·Filed 1980·Granted Sep 21, 1982·3 cites·8 claims
- 1052US4067721AImidazolidinedione compounds and plant growth influencing compositionsBAYER AG·Filed 1976·Granted Jan 10, 1978·2 cites·14 claims
- 1152US4013674AN-(1,2,2,2-tetrachloroethyl)-formimide-chloride for synthesizing trichlorothiazoleBAYER AG·Filed 1975·Granted Mar 22, 1977·2 cites·15 claims
- 1245US5175336AFluoromethylated polycyanobenzenes, their alkali metal cyanide adducts, processes for their preparation and use of the fluoromethylated polycyanobenzenesBAYER AG·Filed 1991·Granted Dec 29, 1992·3 cites·5 claims
- 1343US4171442AProcess for the preparation of 2,4,5-trichloropyrimidineBAYER AG·Filed 1978·Granted Oct 16, 1979·1 cites·4 claims
- 1442US4125723AProcess for the preparation of tetrachloropyrimidineBAYER AG·Filed 1977·Granted Nov 14, 1978·1 cites·7 claims
- 1534US4125722AProcess for the preparation of tetrachloropyrimidineBAYER AG·Filed 1977·Granted Nov 14, 1978·0 cites·5 claims
- 1633US3994913A2,5-Dichloro-thiazolo[4,5-d]thiazole and process for making sameBAYER AG·Filed 1975·Granted Nov 30, 1976·0 cites·3 claims
- 1732US4021443APerchlorodiazafulveneBAYER AG·Filed 1975·Granted May 3, 1977·0 cites·1 claims
- 1830US5258394A1-trifluoromethyl-1-nitro-2-alkoxy-2-aryl-ethanes, their preparation and antimycotic agents containing themBAYER AG·Filed 1992·Granted Nov 2, 1993·0 cites·4 claims
- 1929US5066681A1-trifluoromethyl-1-nitro-2-alkoxy-2-aryl-ethanes, their preparation and antimycotic agents containing themBAYER AG·Filed 1989·Granted Nov 19, 1991·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →