Inventor · disambiguated record
Helmut Hofmeister
Also filed as: HOFMEISTER HELMUT · HOFMEISTER HELMUT DR · KAPP JOACHIM-FRIEDRICH
49 granted patents·447 citations·filing 1974–2000
98Inventor score
Files withSCHERING AG49
Top patents by PatentIndex Score
49 records- 0191US4645763A6α-methyl corticoids, their production and useSCHERING AG·Filed 1983·Granted Feb 24, 1987·38 cites·16 claims
- 0289US4081537AΔ15 -Steroids and pharmaceutical compositions thereofSCHERING AG·Filed 1976·Granted Mar 28, 1978·24 cites·8 claims
- 0385US4670427A1α,2α-methylene-6-methylene- and 6α-methylpregnenes, their preparation and pharmaceutical useSCHERING AG·Filed 1985·Granted Jun 2, 1987·33 cites·10 claims
- 0485US4555507ANovel 6, 16-dimethylcorticoids, their preparation and useSCHERING AG·Filed 1983·Granted Nov 26, 1985·23 cites·16 claims
- 0584US4587236ANovel 6α-methylprednisolone derivatives, their preparation, and their useSCHERING AG·Filed 1983·Granted May 6, 1986·22 cites·14 claims
- 0684US4536401A11β-aryl estradienes, processes for their production and pharmaceutical preparations containing themSCHERING AG·Filed 1984·Granted Aug 20, 1985·29 cites·26 claims
- 0782US3966713A11β-FLUOROANDROSTENESSCHERING AG·Filed 1975·Granted Jun 29, 1976·15 cites·38 claims
- 0881US4404141AΔ9(11) - And Δ16 -21-chloro-20-keto steroids of the pregnane and D-homopregnane series, their preparation and use as intermediates for the synthesis of highly effective corticoidsSCHERING AG·Filed 1982·Granted Sep 13, 1983·23 cites·14 claims
- 0976US4701451ANovel 6,16-dimethylcorticoids their preparation and useSCHERING AG·Filed 1985·Granted Oct 20, 1987·18 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
- 1174US5132299A11β-phenyl-4,9,15-estratrienes, their manufacture and pharmaceutical preparations containing sameSCHERING AG·Filed 1988·Granted Jul 21, 1992·21 cites·11 claims
- 1273US4777165A6α, 16β-dimethyl corticoids and their anti-inflammatory useSCHERING AG·Filed 1987·Granted Oct 11, 1988·17 cites·7 claims
- 1372US3951959A1,3-Oxygenated 8α-estratrienesSCHERING AG·Filed 1974·Granted Apr 20, 1976·13 cites·24 claims
- 1470US4016269A17α-HYDROXY-1,3,5(10),15-ESTRATETRAENES AND PROCESS FOR THEIR PRODUCTIONSCHERING AG·Filed 1975·Granted Apr 5, 1977·7 cites·15 claims
- 1568US5986115A7α-(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
- 1667US4432976ACyclocarbonate esters of 16α,17α, dihydroxy anti-inflammatory steroidsSCHERING AG·Filed 1982·Granted Feb 21, 1984·9 cites·14 claims
- 1766US4102908AProcess for the preparation of pregnane derivativesSCHERING AG·Filed 1977·Granted Jul 25, 1978·6 cites·8 claims
- 1864US5866560A7α-(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
- 1963US4322349AProcess for preparing 6-methylene steroidsSCHERING AG·Filed 1981·Granted Mar 30, 1982·11 cites·13 claims
- 2063US3951958A1,3-Oxygenated-8α-estratrienesSCHERING AG·Filed 1974·Granted Apr 20, 1976·9 cites·42 claims
- 2160US4725426AEstrogenic 17α-halogen-vinylestranesSCHERING AG·Filed 1985·Granted Feb 16, 1988·12 cites·14 claims
- 2260US4435390AHydrocortisone derivatives, the preparation and use thereofSCHERING AG·Filed 1982·Granted Mar 6, 1984·6 cites·27 claims
- 2357US4176126ANovel corticoidsSCHERING AG·Filed 1977·Granted Nov 27, 1979·4 cites·15 claims
- 2452US4371529A11-Methylene-Δ15 -steroids, their preparation and use in pharmaceuticalsSCHERING AG·Filed 1981·Granted Feb 1, 1983·6 cites·14 claims
- 2548US6780855B211β-HALOGEN-7α-SUBSTITUTED ESTRATRIENES, PROCESS FOR THE PRODUCTION OF PHARMACEUTICAL PREPARATIONS THAT CONTAIN THESE 11β-HALOGEN-7α-SUBSTITUTED ESTRATRIENES AS WELL AS THEIR USE FOR THE PRODUCTION OF PHARMACEUTICAL AGENTSSCHERING AG·Filed 1998·Granted Aug 24, 2004·8 cites·27 claims
- 2648US5140106AProcess for the production of 3-deoxy-4-ene steroidsSCHERING AG·Filed 1990·Granted Aug 18, 1992·9 cites·12 claims
- 2748US4330541ANovel corticoid 17-thioacetals, their preparation and useSCHERING AG·Filed 1981·Granted May 18, 1982·3 cites·15 claims
- 2848US4277468A11-Methylene steroids, their preparation and pharmaceutical preparations containing themSCHERING AG·Filed 1980·Granted Jul 7, 1981·3 cites·10 claims
- 2947US4923640AProcess for the production of 17α-ethinyl-17β-hydroxy-18-methyl-4,15-estradien-3-one and new intermediate products for this processSCHERING AG·Filed 1988·Granted May 8, 1990·5 cites·14 claims
- 3047US4619922A6α, 16α-dimethyl corticoidsSCHERING AG·Filed 1985·Granted Oct 28, 1986·4 cites·11 claims
- 3146US4912098AAntiinflammatory 6 alpha-methylhydrocortisonesSCHERING AG·Filed 1987·Granted Mar 27, 1990·3 cites·5 claims
- 3246US4243664ANovel corticoidsSCHERING AG·Filed 1979·Granted Jan 6, 1981·2 cites·5 claims
- 3345US5236912AAntiandrogenic [3,2-c]pyrazole and [3,2-d]triazole steroidsSCHERING AG·Filed 1991·Granted Aug 17, 1993·5 cites·9 claims
- 3443US4719054AProcess for the production of 17α-ethynyl-17β-hydroxy-18-methyl-4,15-estradien-3-one, and novel 3,5-estradien-17-one starting compounds for this processSCHERING AG·Filed 1986·Granted Jan 12, 1988·3 cites·19 claims
- 3542US4956482AProcess for the preparation of pregnane derivativesSCHERING AG·Filed 1989·Granted Sep 11, 1990·3 cites·10 claims
- 3640US4945064AEstrane and androstane derivatives, process for producing them and preparations containing these compoundsSCHERING AG·Filed 1988·Granted Jul 31, 1990·4 cites·38 claims
- 3740US4049804ANovel pregnanoic acid derivativesSCHERING AG·Filed 1976·Granted Sep 20, 1977·1 cites·81 claims
- 3838US4567002AProcess for the preparation of 17-haloethynyl steroids, and novel 17-haloethynyl steroidsSCHERING AG·Filed 1984·Granted Jan 28, 1986·2 cites·11 claims
- 3936US4550100AProcess for the preparation of 17α-bromoethynyl- and 17α-iodoethynyl-17β-hydroxy steroids and novel products thereofSCHERING AG·Filed 1983·Granted Oct 29, 1985·3 cites·26 claims
- 4035US4603013AEstrane derivativesSCHERING AG·Filed 1984·Granted Jul 29, 1986·1 cites·8 claims
- 4135US4440684AProcess for the preparation of 6-methyl-Δ4,6 -3-keto steroidsSCHERING AG·Filed 1983·Granted Apr 3, 1984·1 cites·23 claims
- 4235US4390530A3-Deoxy-Δ15 -steroidsSCHERING AG·Filed 1981·Granted Jun 28, 1983·1 cites·12 claims
- 4334US4885117AProcess for the preparation of (Z)-17α-halovinyl steroidsSCHERING AG·Filed 1987·Granted Dec 5, 1989·1 cites·4 claims
- 4434US4708823A17 α-chloroethynyl pregnane derivativesSCHERING AG·Filed 1985·Granted Nov 24, 1987·1 cites·9 claims
- 4534US4073900A11β-FLUOROPREGNENESSCHERING AG·Filed 1976·Granted Feb 14, 1978·0 cites·14 claims
- 4633US4464365A11β-Chloro-Δ15 -steroids, a process for their preparation and pharmaceutical preparations containing themSCHERING AG·Filed 1983·Granted Aug 7, 1984·1 cites·19 claims
- 4731US5250712A1β,15α-dihydroxy-1α-methyl-5α-androstane-3,17-dione, its production and useSCHERING AG·Filed 1992·Granted Oct 5, 1993·0 cites·1 claims
- 4830US5389624AAntiandrogenic [3,2-c]pyrazole and [3,2-d]triazole steroidsSCHERING AG·Filed 1993·Granted Feb 14, 1995·0 cites·14 claims
- 4928US4008312APregnane-21-oic acid derivativesSCHERING AG·Filed 1975·Granted Feb 15, 1977·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →