Inventor · disambiguated record
Dieter Bittler
Also filed as: BITTLER DIETER
34 granted patents·1 pending application·501 citations·filing 1977–2005
97Inventor score
Top patents by PatentIndex Score
35 records- 0196US4738957AEstriol estersSCHERING AG·Filed 1986·Granted Apr 19, 1988·79 cites·18 claims
- 0296US4129564ASpirolactonesSCHERING A G PATENTABTEILUNG·Filed 1977·Granted Dec 12, 1978·99 cites·19 claims
- 0391US4344941AAntiandrogenic 17α-substituted steroidsSCHERING AG·Filed 1980·Granted Aug 17, 1982·37 cites·11 claims
- 0486US4118488A4-Androsten-3-ones and process for the preparation thereofSCHERING AG·Filed 1977·Granted Oct 3, 1978·23 cites·7 claims
- 0582US4456600AAntiandrogenic 17α-alkyl steroidsSCHERING AG·Filed 1982·Granted Jun 26, 1984·18 cites·6 claims
- 0682US4291029A6β,7β;15,16-Dimethylene-1,4-androstadien-3-ones, their preparation and use as medicinal agentsSCHERING AG·Filed 1980·Granted Sep 22, 1981·22 cites·3 claims
- 0780US4416985AProcess for preparing 3β,7β-dihydroxy-Δ5 -steroidsSCHERING AG·Filed 1981·Granted Nov 22, 1983·19 cites·5 claims
- 0879US4584288A6,6-ethylene-15,16-methylene-3-oxo-17α-pregn-4-ene-21,17-carbolactones, processes for the production thereof, and pharmaceutical preparations containing themSCHERING AG·Filed 1985·Granted Apr 22, 1986·27 cites·18 claims
- 0976US4614616AProcess for preparing 3β7β-dihydroxy-Δ5 -steroidsSCHERING AG·Filed 1983·Granted Sep 30, 1986·16 cites·7 claims
- 1074US6271403B17α-(xi-aminoalkyl)-estratrienes, process for their production, pharmaceutical preparations which contain these 7α-(xi-aminoalkyl-estratrienes as well as their use for the production of pharmaceutical agentsSCHERING AG·Filed 2000·Granted Aug 7, 2001·7 cites·2 claims
- 1172US4457925AAndrostane derivatives, process for their production, and pharmaceutical preparations containing themSCHERING AG·Filed 1982·Granted Jul 3, 1984·10 cites·44 claims
- 1271US4977147A17-methylene- and 17-ethylidene-estratrienesSCHERING AG·Filed 1988·Granted Dec 11, 1990·20 cites·23 claims
- 1370US4558041AAntiandrogenic 17α-substituted steroidsSCHERING AG·Filed 1984·Granted Dec 10, 1985·11 cites·8 claims
- 1468US5986115A7α-(ξ-aminoalkyl)-estratrienes, process for their production, pharmaceutical preparations which contain these 7α-(ξ-aminoalkyl)-estratrienes as well as their use for the production of pharmaceutical agentsSCHERING AG·Filed 1999·Granted Nov 16, 1999·16 cites·11 claims
- 1568US4789668A1α,7α-dithio-substituted spirolactones, processes for their preparation, and their use as medicinesSCHERING AG·Filed 1986·Granted Dec 6, 1988·15 cites·14 claims
- 1664US6288051B17 α-(5-methylaminopentyl)-estratrienes, process for their production, pharmaceutical preparations that contain these 7 α(5-methylaminopentyl)-estratrienes as well as their use for the production of pharmaceutical agentsSCHERING AG·Filed 1999·Granted Sep 11, 2001·17 cites·16 claims
- 1764US5866560A7α-(ξ-aminoalkyl)-estratrienes, process for their production, pharmaceutical preparations which contain these 7α-(ξ-aminoalkyl)-estratrienes as well as their use for the production of pharmaceutical agentsSCHERING AG·Filed 1997·Granted Feb 2, 1999·14 cites·41 claims
- 1860US4892867AAntiandrogenic 17-alpha-alkyl steroidsSCHERING AG·Filed 1986·Granted Jan 9, 1990·8 cites·22 claims
- 1959US4587235ANovel androstane derivatives, process for their production, and pharmaceutical preparations containing themSCHERING AG·Filed 1984·Granted May 6, 1986·5 cites·2 claims
- 2058US4180570A17β-Hydroxy-4-androsten-3-ones and process for the preparation thereofSCHERING AG·Filed 1978·Granted Dec 25, 1979·4 cites·28 claims
- 2157US4681875A3,17 β-estriol diesters, methods of their use, and pharmaceutical preparations containing themSCHERING AG·Filed 1985·Granted Jul 21, 1987·9 cites·19 claims
- 2249US4559331A7α-Substituted 3-oxo-17α-pregn-4-ene-21,17-carbolactones, process for their production, and pharmaceutical preparations containing sameSCHERING AG·Filed 1984·Granted Dec 17, 1985·5 cites·3 claims
- 2348US4542024A15,16 -Methylene-17α-pregna-4,6-diene-21-carboxylic acid salts, pharmaceutical preparations containing them and a process for their productionSCHERING AG·Filed 1984·Granted Sep 17, 1985·3 cites·15 claims
- 2447US4868166A2,2:6,6-diethylen-3-oxo-17alpha-pregn-4-ene-21,17alpha-carbolactones, process for their production & pharmaceutical preparations containing themSCHERING AG·Filed 1987·Granted Sep 19, 1989·5 cites·7 claims
- 2545US5236912AAntiandrogenic [3,2-c]pyrazole and [3,2-d]triazole steroidsSCHERING AG·Filed 1991·Granted Aug 17, 1993·5 cites·9 claims
- 2642US4500522A7.alpha.-Acylthio-15,16-methylene-3-oxo-17α-pregna-1,4-diene-21,17-carbolactones, their preparation and use as medicinal agentsSCHERING AG·Filed 1983·Granted Feb 19, 1985·3 cites·12 claims
- 2740US8445469B218-methyl-19-nor-17-pregn-4-ene-21,17-carbolactones, as well as pharmaceutical preparations that contain the latterBOHLMANN ROLF·Filed 2005·Granted May 21, 2013·0 cites·20 claims
- 2839US4511565A7α-Acylthio-1α,2α-methylene-3-oxo-17α-pregn-4-ene-21,17-carbolactones, their production and pharmaceutical preparations containing themSCHERING AG·Filed 1983·Granted Apr 16, 1985·1 cites·13 claims
- 2935US2009029953A118-methyl-19-nor-17-pregn-4-ene-21,17-carbolactones, as well as pharmaceutical preparations that contain the latterBOHLMANN ROLF·Filed 2005·Application pending·0 cites
- 3034US5010071AAndrostane derivativesSCHERING AG·Filed 1989·Granted Apr 23, 1991·1 cites·17 claims
- 3131US4464364A6β,7β-Methylene-17α-pregn-4-ene-21,17-carbolactones, their preparation and use as medicinal agentsSCHERING AG·Filed 1983·Granted Aug 7, 1984·0 cites·10 claims
- 3230US5389624AAntiandrogenic [3,2-c]pyrazole and [3,2-d]triazole steroidsSCHERING AG·Filed 1993·Granted Feb 14, 1995·0 cites·14 claims
- 3330US4859659ADermatics utilizing 17βmethyl-18 nor steroids and methods for their useSCHERING AG·Filed 1986·Granted Aug 22, 1989·2 cites·25 claims
- 3430US4472310A5β-Hydroxy-Δ6 -steroids and process for the preparation thereofSCHERING AG·Filed 1981·Granted Sep 18, 1984·0 cites·5 claims
- 3529US4542128A17α-Pregn-4-ene-3-oxo-21-carboxylic acid esters, process for the preparation thereof, and use thereof as medicinal agentsSCHERING AG·Filed 1983·Granted Sep 17, 1985·0 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →