Inventor
LENNA ROBERTO
IT19 patents
⚠️ This page may combine multiple inventors who share the name “LENNA ROBERTO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IND CHIMICA SRL
15 patentsUS7585971B2Sep 8, 2009
Process for the preparation of drospirenone
IND CHIMICA SRL14 citations78
US10189765B2Jan 29, 2019
Process for the preparation of 17β-hydroxy-des-A-androst-9,10-en-5-one
IND CHIMICA SRL2 citations62
US11390645B2Jul 19, 2022
Process for the preparation of 3β-hydroxy-17-(1H-benzimidazol-1-YL) androsta-5,16-diene
IND CHIMICA SRL0 citations59
US7868194B2Jan 11, 2011
Process for the preparation of 21-hydroxy steroids with control of the epimeric distribution at the C-21 position
IND CHIMICA SRL2 citations52
US12077559B2Sep 3, 2024
Process for the preparation of 3α-hydroxy-5α-pregnan-20-one (brexanolone)
IND CHIMICA SRL0 citations49
US9562068B2Feb 7, 2017
Process for the preparation of 7 α-(methoxycarbonyl)-3-OXO-17alpha-pregn-4,9(11)-dien-21,17-carbolactone, a useful intermediate for the synthesis of molecules with pharmacological activity
IND CHIMICA SRL0 citations45
US9650410B2May 16, 2017
Process for the preparation of abiraterone and abiraterone acetate
IND CHIMICA SRL0 citations44
US9556220B2Jan 31, 2017
Process for the preparation of drospirenone
IND CHIMICA SRL0 citations43
US12492221B2Dec 9, 2025
Process for preparing (3α,5α)-3-hydroxy-3-methyl-pregnan-20-one (Ganaxolone)
IND CHIMICA SRL0 citations38
US11840519B2Dec 12, 2023
Process for the synthesis of the sodium salt of 4-[[(1R)-2-[5-(2-fluoro-3-methoxyphenyl)-3-[[2-fluoro-6-(trifluoromethyl)-phenyl]methyl]-3,6-dihydro-4-methyl-2.6-dioxo-1(2H)-pyrimidinyl]-1-phenylethyl]amino]-butanoic acid (elagolix sodium salt) and intermediates of said process
IND CHIMICA SRL0 citations38
US9695213B2Jul 4, 2017
Process for the preparation of drospirenone
IND CHIMICA SRL0 citations35
US9676815B2Jun 13, 2017
Process for the preparation of abiraterone or abiraterone acetate
IND CHIMICA SRL0 citations34
US9422326B2Aug 23, 2016
Process for preparing 11-methylene-18-methyl-estr-4-en-3, 17-dione, useful as intermediate compound for the synthesis of molecules having pharmacological activity
IND CHIMICA SRL0 citations34
US9394334B2Jul 19, 2016
Process for the preparation of drospirenone
IND CHIMICA SRL0 citations32
US10654885B2May 19, 2020
Process for the preparation of 9 beta,10 alpha-progesterone (retroprogesterone)
IND CHIMICA SRL0 citations30