Inventor · disambiguated record
Leone Dall'Asta
Also filed as: DALL ASTA LEONE
17 granted patents·2 pending applications·127 citations·filing 1973–2007
92Inventor score
Top patents by PatentIndex Score
19 records- 0182US4950687ADiacetylrhein salts and their therapeutical use in the treatment of arthrosisPROTER SPA·Filed 1989·Granted Aug 21, 1990·20 cites·2 claims
- 0278US6365747B1Method for the preparation of citalopramLUNDBECK & CO AS H·Filed 1999·Granted Apr 2, 2002·49 cites·17 claims
- 0378US4485248AProcess for producing 2,4-diamino-(3,5-dimethoxy-4-methoxyethoxy-benzyl)-pyrimidinePROTER SPA·Filed 1982·Granted Nov 27, 1984·11 cites·8 claims
- 0476US6458973B1Process for the preparation of 5-carboxyphthalideNORPHARMA S P A·Filed 2000·Granted Oct 1, 2002·9 cites·28 claims
- 0562US6703516B2Process for the preparation of 5-carboxyphthalideINFOSINT SA·Filed 2002·Granted Mar 9, 2004·2 cites·67 claims
- 0661US2008249319A1Process for the preparation of 5-CarboxyphthalideDALL ASTA LEONE·Filed 2007·Application pending·0 cites
- 0758US3959266AProcess for the conversion of penicillin S-oxide into a corresponding desatoxycephalosporinCLIN MIDY·Filed 1973·Granted May 25, 1976·4 cites·12 claims
- 0857US5656735AProcess for the preparation of amikacin precursorsOPOS BIOCHIMICA SRL·Filed 1995·Granted Aug 12, 1997·12 cites·11 claims
- 0953US5621085AProcess for the preparation of amikacin precursorsOPOS BIOCHIMICA SRL·Filed 1995·Granted Apr 15, 1997·12 cites·11 claims
- 1053US2004171851A1Process for the preparation of 5-carboxyphthalideFiled 2004·Application pending·0 cites
- 1142US6888010B2Process for the preparation of 5-formylphthalideINFOSINT SA·Filed 2004·Granted May 3, 2005·0 cites·10 claims
- 1240US7166729B2Process for the preparation of 5-substituted isobenzofuransINFOSINT SA·Filed 2004·Granted Jan 23, 2007·0 cites·22 claims
- 1336US7411077B2Process for the preparation of a cyano-isobenzofuranADORKEN TECHNOLOGY SPA·Filed 2004·Granted Aug 12, 2008·0 cites·12 claims
- 1436US4965355AProcess for the prepartion of cefatrizine 1,2-propylene glycolateOPOS BIOCHIMICA SRL·Filed 1989·Granted Oct 23, 1990·2 cites·5 claims
- 1534US5693790ACrystalline form of a cephalosporin antibioticOPOS BIOCHIMICA SRL·Filed 1995·Granted Dec 2, 1997·5 cites·12 claims
- 1632US5589593ACrystalline form of a cephalosporin antibioticOPOS BIOCHIMICA SRL·Filed 1995·Granted Dec 31, 1996·1 cites·3 claims
- 1728US5003064AMethod for the preparation of monohydrateOPOS BIOCHIMICA SRL·Filed 1989·Granted Mar 26, 1991·0 cites·9 claims
- 1824US5532353AProcess for the preparation of halogenated β-lactam compoundsOPOS BIOCHIMICA SRL·Filed 1993·Granted Jul 2, 1996·0 cites·22 claims
- 1916US5721360AProcess for the preparation of a thiazoline-azetidinoneBIOCHIMICA OPS SPA·Filed 1996·Granted Feb 24, 1998·0 cites·13 claims
Join the waitlist — get patent alerts
Get an alert when Leone Dall'Asta files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →