Inventor

HOFMEISTER HELMUT

51 patents

⚠️ This page may combine multiple inventors who share the name “HOFMEISTER HELMUT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HOFMEISTER HELMUT

SCHERING AG

1α,2α-methylene-6-methylene- and 6α-methylpregnenes, their preparation and pharmaceutical use

6α-methyl corticoids, their production and use

11β-aryl estradienes, processes for their production and pharmaceutical preparations containing them

7α-(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 agents

11β-phenyl-4,9,15-estratrienes, their manufacture and pharmaceutical preparations containing same

Novel 6α-methylprednisolone derivatives, their preparation, and their use

Δ9(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 corticoids

Δ15 -Steroids and pharmaceutical compositions thereof

Novel 6,16-dimethylcorticoids their preparation and use

Novel 6, 16-dimethylcorticoids, their preparation and use

Hydrocortisone derivatives, the preparation and use thereof

Cyclocarbonate esters of 16α,17α, dihydroxy anti-inflammatory steroids

Process for preparing 6-methylene steroids

17α-HYDROXY-1,3,5(10),15-ESTRATETRAENES AND PROCESS FOR THEIR PRODUCTION

7α-(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 agents

7α-(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 agents

6α, 16β-dimethyl corticoids and their anti-inflammatory use

11-Methylene-Δ15 -steroids, their preparation and use in pharmaceuticals

11β-FLUOROANDROSTENES

1,3-Oxygenated-8α-estratrienes

1,3-Oxygenated 8α-estratrienes

11β-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 AGENTS

Estrogenic 17α-halogen-vinylestranes

Process for the production of 3-deoxy-4-ene steroids

Process for the preparation of pregnane derivatives

Process for the production of 17α-ethinyl-17β-hydroxy-18-methyl-4,15-estradien-3-one and new intermediate products for this process

Antiinflammatory 6 alpha-methylhydrocortisones

Process for the preparation of 17-haloethynyl steroids, and novel 17-haloethynyl steroids

Novel corticoid 17-thioacetals, their preparation and use

Process for the preparation of pregnane derivatives

Process 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 process

Process for the preparation of 17α-bromoethynyl- and 17α-iodoethynyl-17β-hydroxy steroids and novel products thereof

11-Methylene steroids, their preparation and pharmaceutical preparations containing them

Novel corticoids

Antiandrogenic [3,2-c]pyrazole and [3,2-d]triazole steroids

Estrane and androstane derivatives, process for producing them and preparations containing these compounds

Novel corticoids

1β,15α-dihydroxy-1α-methyl-5α-androstane-3,17-dione, its production and use

Process for the preparation of (Z)-17α-halovinyl steroids

17 α-chloroethynyl pregnane derivatives

Estrane derivatives

Process for the preparation of 6-methyl-Δ4,6 -3-keto steroids

3-Deoxy-Δ15 -steroids

11β-FLUOROPREGNENES

Novel pregnanoic acid derivatives

Antiandrogenic [3,2-c]pyrazole and [3,2-d]triazole steroids

11β-Chloro-Δ15 -steroids, a process for their preparation and pharmaceutical preparations containing them

FREUDENBERG CARL KG

Cleaning implement

Cleaning device

SIEMENS AG

Audio frequency power line control system