Inventor · disambiguated record
Ferdinand Hagedorn
Also filed as: HAGEDORN FERDINAND
17 granted patents·53 citations·filing 1974–2000
91Inventor score
Files withBAYER AG17
Top patents by PatentIndex Score
17 records- 0170US4424360AProcess for the preparation of fused 1,2,3-triazolesBAYER AG·Filed 1982·Granted Jan 3, 1984·7 cites·20 claims
- 0262US6198007B1Process for the preparation of 1-substituted 2,4-dinitrobenzenesBAYER AG·Filed 2000·Granted Mar 6, 2001·3 cites·19 claims
- 0361US5670694AProcess for the preparation of 2,4-dichloro-5-fluorobenzonitrile and 2,6-dichloro-3-fluorobenzonitrileBAYER AG·Filed 1996·Granted Sep 23, 1997·7 cites·8 claims
- 0459US5659088AProcess for the preparation of 4-fluorothiophenolBAYER AG·Filed 1995·Granted Aug 19, 1997·7 cites·10 claims
- 0554US5463068AProcess for desulphurizing organic mercapto and/or disulphide compoundsBAYER AG·Filed 1994·Granted Oct 31, 1995·4 cites·9 claims
- 0649US5502256AProcess for preparing 2,2'-dinitrodiphenyl disulphideBAYER AG·Filed 1994·Granted Mar 26, 1996·4 cites·11 claims
- 0748US5756809AProcess for the preparation of (2RS,3RS)-3-(2'-aminophenylthio)-2-hydroxy-3-(4"-methoxyphenyl)-propionic acid methyl esterBAYER AG·Filed 1996·Granted May 26, 1998·3 cites·8 claims
- 0847US4460788AProcess for preparation of anilines which are m-substituted by chlorineBAYER AG·Filed 1982·Granted Jul 17, 1984·3 cites·10 claims
- 0944US5382686AProcess for preparing nitrodiphenyl (thio) ethersBAYER AG·Filed 1993·Granted Jan 17, 1995·2 cites·1 claims
- 1042US4429156AProcess for the preparation of m-halogen-substituted anilinesBAYER AG·Filed 1981·Granted Jan 31, 1984·2 cites·25 claims
- 1141US5650542AProcess for the preparation of 2-chloro-6-nitrophenyl alkyl sulphides and novel 2-chloro-6-nitrophenyl alkyl sulphidesBAYER AG·Filed 1995·Granted Jul 22, 1997·2 cites·11 claims
- 1241US4316862AProcess for the preparation of sulphonic acid chloridesBAYER AG·Filed 1980·Granted Feb 23, 1982·2 cites·16 claims
- 1338US5998628ANon-explosive preparations of 1-hydroxybenzotriazoleBAYER AG·Filed 1996·Granted Dec 7, 1999·1 cites·8 claims
- 1434US4540817AProcess for the preparation of 5-amino-2,4-dimethylacetanilideBAYER AG·Filed 1983·Granted Sep 10, 1985·1 cites·15 claims
- 1534US3993586AWater-soluble complex of cuprous chloride, hydrochloric acid and at least one amine or amine saltBAYER AG·Filed 1974·Granted Nov 23, 1976·5 cites·6 claims
- 1632US5872300AProcess for the preparation of 2-amino-6-chlorophenyl-alkylsulfanes, and 2-amino-6-chlorophenyl-isopropylsulfaneBAYER AG·Filed 1996·Granted Feb 16, 1999·0 cites·8 claims
- 1730US5591869AProcess for the preparation of methylene compounds and the novel compound 2-(2,4-Dichloro-5-fluorobenzyl)thiopheneBAYER AG·Filed 1995·Granted Jan 7, 1997·0 cites·11 claims
Join the waitlist — get patent alerts
Get an alert when Ferdinand Hagedorn files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →