Inventor · disambiguated record
Gerhard Hempel, Deceased
Also filed as: HEMPEL GERHARD
2 granted patents·5 citations·filing 1987–1990
47Inventor score
Files withSCHERING AG2
Top patents by PatentIndex Score
2 records- 0136US4898693AProcess for production of 6α,9α-difluoro-11β,17α-dihydroxy-16α-methyl-4-pregnene-3,20-dione and its derivativesSCHERING AG·Filed 1987·Granted Feb 6, 1990·4 cites·10 claims
- 0221US5332847AProcess for the preparation of 21-bromo-4-pregnene-3,20-dione derivativesSCHERING AG·Filed 1990·Granted Jul 26, 1994·1 cites·5 claims
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