Inventor · disambiguated record
Gregor Haffer
Also filed as: EDER ULRICH · HAFFER GREGOR · HAUSER HELMUT · POPPER ALFRED
36 granted patents·127 citations·filing 1972–1993
96Inventor score
Files withSCHERING AG36
Top patents by PatentIndex Score
36 records- 0186US4970314AProcess for the preparation of 2-bromo-8-ergolinyl compoundsSCHERING AG·Filed 1984·Granted Nov 13, 1990·19 cites·18 claims
- 0280US4748248AProcess for the preparation of ergoline derivativesSCHERING AG·Filed 1985·Granted May 31, 1988·15 cites·13 claims
- 0369US4826852ANovel ergolinyl compounds nitrogen-substituted in the 8-position, useful for treating dopamine deficiencySCHERING AG·Filed 1986·Granted May 2, 1989·15 cites·31 claims
- 0467US4968801AProcess for the production ergoline derivativesSCHERING AG·Filed 1989·Granted Nov 6, 1990·7 cites·14 claims
- 0566US4077996AProcess for the preparation of trans-deca hydronaphthalene derivativesSCHERING AG·Filed 1976·Granted Mar 7, 1978·5 cites·20 claims
- 0665US4066674AProcess for the preparation of 1,3-oxygenated 8α-estratrienes and novel intermediates obtained therefromSCHERING AG·Filed 1976·Granted Jan 3, 1978·6 cites·11 claims
- 0763US5569661AProcess for the production of b-carbolinesSCHERING AG·Filed 1993·Granted Oct 29, 1996·16 cites·1 claims
- 0861US4017545AProcess for the preparation of bicycloalkane derivativesSCHERING AG·Filed 1974·Granted Apr 12, 1977·5 cites·13 claims
- 0957US4170518AMicrobiological conversion of sterol derivatives to 5-androsten-17-one derivatives and their useSCHERING AG·Filed 1976·Granted Oct 9, 1979·4 cites·10 claims
- 1054US4644062AProcess for the production of β-carbolines by dehydrogenationSCHERING AG·Filed 1986·Granted Feb 17, 1987·4 cites·9 claims
- 1149US5371000AProcess for the production of ergoline derivativesSCHERING AG·Filed 1992·Granted Dec 6, 1994·4 cites·3 claims
- 1249US4178381AC-homoestratrienesSCHERING AG·Filed 1978·Granted Dec 11, 1979·2 cites·19 claims
- 1349US4072716ABicycloalkane derivativesSCHERING AG·Filed 1976·Granted Feb 7, 1978·2 cites·14 claims
- 1448US4024166AProcess for the preparation of 13β-alkyl-4-gonene-3,17-dionesSCHERING AG·Filed 1975·Granted May 17, 1977·2 cites·8 claims
- 1547US4766128AOptionally 11- to 13-substituted ergoline compounds useful as medicinal agentsSCHERING AG·Filed 1984·Granted Aug 23, 1988·3 cites·24 claims
- 1647US4155923AProcess for the preparation of 17β-hydroxy-20-alkoxypregnane-21-oic acid derivativesSCHERING AG·Filed 1978·Granted May 22, 1979·2 cites·10 claims
- 1745US4695635AProcess for the production of 2,3-dihydroergolinesSCHERING AG·Filed 1985·Granted Sep 22, 1987·2 cites·17 claims
- 1843US4298538A16-Dimethylaminomethylene-3-methoxy-1,3,5-(10)-estratrien-17-one, a process for the preparation thereof and its use as a preparative intermediateSCHERING AG·Filed 1979·Granted Nov 3, 1981·1 cites·5 claims
- 1943US3960842AProcess for the preparation of 17β-oxalyl steroidsSCHERING AG·Filed 1974·Granted Jun 1, 1976·3 cites·17 claims
- 2042US3998847A9,10-secoestrane derivatives and their productionSCHERING AG·Filed 1975·Granted Dec 21, 1976·1 cites·5 claims
- 2141US4333928A16 α-Alkyl steroids, their preparation, and pharmaceutical preparations thereofSCHERING AG·Filed 1980·Granted Jun 8, 1982·3 cites·14 claims
- 2241US4032540ABenzopyran derivativesSCHERING AG·Filed 1976·Granted Jun 28, 1977·1 cites·14 claims
- 2340US3965124A6,9-Oxido-9,10-secoestrane derivatives and method of synthesisSCHERING AG·Filed 1975·Granted Jun 22, 1976·1 cites·15 claims
- 2438US4008253ABicycloalkanesSCHERING AG·Filed 1972·Granted Feb 15, 1977·1 cites·11 claims
- 2536US5401854AProcess for the production of indole derivativesSCHERING AG·Filed 1992·Granted Mar 28, 1995·1 cites·13 claims
- 2636US3962280AProcess for preparing benzopyran derivativesSCHERING AG·Filed 1973·Granted Jun 8, 1976·1 cites·7 claims
- 2733US4524208AProcess for the preparation of lysergic acid estersSCHERING AG·Filed 1983·Granted Jun 18, 1985·0 cites·10 claims
- 2832US4202991ANovel bicycloalkane derivatives and the production thereofSCHERING AG·Filed 1976·Granted May 13, 1980·0 cites·12 claims
- 2932US4012420A9,10-Secoestrane derivatives and their productionSCHERING AG·Filed 1975·Granted Mar 15, 1977·0 cites·6 claims
- 3031US5329009ASelective phenylation of 5-hydroxy-β-carboline derivativesSCHERING AG·Filed 1992·Granted Jul 12, 1994·0 cites·10 claims
- 3131US5198553AProcess for the production of gramine derivativesSCHERING AG·Filed 1991·Granted Mar 30, 1993·1 cites·6 claims
- 3231US4801714AProcess for the preparation of ergolinylthioureasSCHERING AG·Filed 1986·Granted Jan 31, 1989·0 cites·17 claims
- 3331US4108871ANovel benzopyran derivativesSCHERING AG·Filed 1976·Granted Aug 22, 1978·0 cites·12 claims
- 3431US4051188ANovel bicycloalkane derivatives and the production thereofSCHERING AG·Filed 1976·Granted Sep 27, 1977·0 cites·14 claims
- 3530US4001302A9,10-secoestrane derivatives and their productionSCHERING AG·Filed 1975·Granted Jan 4, 1977·0 cites·4 claims
- 3630US3976701AProcess for the preparation of 9,10-secoestrane derivativesSCHERING AG·Filed 1973·Granted Aug 24, 1976·0 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →