Inventor · disambiguated record
Roberto Lenna
Also filed as: LENNA ROBERTO
19 granted patents·9 pending applications·21 citations·filing 2005–2023
88Inventor score
Top patents by PatentIndex Score
28 records- 0185US7585971B2Process for the preparation of drospirenoneIND CHIMICA SRL·Filed 2005·Granted Sep 8, 2009·14 cites·35 claims
- 0275US10189765B2Process for the preparation of 17β-hydroxy-des-A-androst-9,10-en-5-oneIND CHIMICA SRL·Filed 2016·Granted Jan 29, 2019·2 cites·10 claims
- 0368US8227596B2Process for the preparation of drospirenoneCOSTANTINO FRANCESCA·Filed 2010·Granted Jul 24, 2012·3 cites·25 claims
- 0466US7868194B2Process for the preparation of 21-hydroxy steroids with control of the epimeric distribution at the C-21 positionIND CHIMICA SRL·Filed 2005·Granted Jan 11, 2011·2 cites·27 claims
- 0554US2023287036A1Process for preparing (15alpha,16alpha,17beta)-estra-1,3,5(10)-triene-3,15,16,17-tetrol monohydrate (estetrol monohydrate)IND CHIMICA SRL·Filed 2023·Application pending·0 cites
- 0651US2023174569A1PROCESS PER PREPARING (3a,5a)-20-OXOPREGNAN-3-YL GLYCYL-L-VALINATE HYDROCHLORIDEINDUSTIALE CHIMICA S R L·Filed 2022·Application pending·0 cites
- 0750US12077559B2Process for the preparation of 3α-hydroxy-5α-pregnan-20-one (brexanolone)IND CHIMICA SRL·Filed 2019·Granted Sep 3, 2024·0 cites·11 claims
- 0850US11390645B2Process for the preparation of 3β-hydroxy-17-(1H-benzimidazol-1-YL) androsta-5,16-dieneIND CHIMICA SRL·Filed 2017·Granted Jul 19, 2022·0 cites·15 claims
- 0948US8119793B2Process for preparing budesonideLENNA ROBERTO·Filed 2009·Granted Feb 21, 2012·0 cites·17 claims
- 1047US9676815B2Process for the preparation of abiraterone or abiraterone acetateIND CHIMICA SRL·Filed 2014·Granted Jun 13, 2017·0 cites·7 claims
- 1147US9650410B2Process for the preparation of abiraterone and abiraterone acetateIND CHIMICA SRL·Filed 2013·Granted May 16, 2017·0 cites·10 claims
- 1247US2024391947A1PROCESS FOR PREPARING (15alpha,16alpha,17beta)-ESTRA-1,3,5(10)-TRIENE-3,15,16,17-TETROL (ESTETROL) AND ESTETROL MONOHYDRATEIND CHIMICA SRL·Filed 2021·Application pending·0 cites
- 1347US2025136637A1PROCESS FOR PREPARING B-[(7alpha,17beta)-17-HYDROXY-7-[9-[(4,4,5,5,5-PENTAFLUOROPENTYL)SULFINYL]NONYL]ESTRA-1,3,5(10)-TRIEN-3-YL]-BORONIC ACID AND PROCESS INTERMEDIATESIND CHIMICA SRL·Filed 2021·Application pending·0 cites
- 1446US2024218013A1Process for the preparation of B-[(7alpha,17beta)-17-hydroxy-7-[9-[(4,4,5,5,5-pentafluoropentyl) sulfinyl]nonyl]estra-1,3,5(10)-trien-3-yl]-boronic acid and intermediates of said processIND CHIMICA SRL·Filed 2021·Application pending·0 cites
- 1545US9422326B2Process for preparing 11-methylene-18-methyl-estr-4-en-3, 17-dione, useful as intermediate compound for the synthesis of molecules having pharmacological activityIND CHIMICA SRL·Filed 2013·Granted Aug 23, 2016·0 cites·3 claims
- 1644US12492221B2Process for preparing (3α,5α)-3-hydroxy-3-methyl-pregnan-20-one (Ganaxolone)IND CHIMICA SRL·Filed 2021·Granted Dec 9, 2025·0 cites·12 claims
- 1744US2008207575A1Process For The Preparation Of DrospirenoneCOSTANTINO FRANCESCA·Filed 2005·Application pending·0 cites
- 1843US9695213B2Process for the preparation of drospirenoneIND CHIMICA SRL·Filed 2013·Granted Jul 4, 2017·0 cites·5 claims
- 1943US9562068B2Process 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 activityIND CHIMICA SRL·Filed 2015·Granted Feb 7, 2017·0 cites·3 claims
- 2043US8242291B2Process for the preparation of ramelteonLENNA ROBERTO·Filed 2009·Granted Aug 14, 2012·0 cites·13 claims
- 2143US2012264723A1Process for the preparation of drospirenoneCOSTANTINO FRANCESCA·Filed 2012·Application pending·0 cites
- 2242US2022348607A1Process for preparing (15alpha,16alpha,17beta)-estra-1,3,5(10)-triene- 3,15,16,17-tetrol (estetrol) and intermediates of said processIND CHIMICA SRL·Filed 2020·Application pending·0 cites
- 2341US11840519B2Process 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 processIND CHIMICA SRL·Filed 2020·Granted Dec 12, 2023·0 cites·13 claims
- 2437US2024018181A1Process for the production of 21-(acetyloxy)-17-(propionyloxy)-pregn-4-ene-3,20-dioneIND CHIMICA SRL·Filed 2021·Application pending·0 cites
- 2535US10654885B2Process for the preparation of 9 beta,10 alpha-progesterone (retroprogesterone)IND CHIMICA SRL·Filed 2018·Granted May 19, 2020·0 cites·5 claims
- 2635US8933061B2Process for the preparation of drospirenoneLENNA ROBERTO·Filed 2012·Granted Jan 13, 2015·0 cites·14 claims
- 2734US9556220B2Process for the preparation of drospirenoneIND CHIMICA SRL·Filed 2013·Granted Jan 31, 2017·0 cites·11 claims
- 2834US9394334B2Process for the preparation of drospirenoneIND CHIMICA SRL·Filed 2012·Granted Jul 19, 2016·0 cites·12 claims
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