Inventor · disambiguated record
Pietro Allegrini
Also filed as: ALLEGRINI PIETRO
64 granted patents·49 pending applications·390 citations·filing 1990–2023
98Inventor score
Top patents by PatentIndex Score
113 records- 0196US7741490B2Intermediates for the preparation of pramipexoleDIPHARMA SPA·Filed 2005·Granted Jun 22, 2010·29 cites·2 claims
- 0291US7301027B2Process for the preparation of Imiquimod and intermediates thereofDIPHARMA SPA·Filed 2004·Granted Nov 27, 2007·50 cites·6 claims
- 0386US7316918B2Process for the preparation of (−) modafinilDIPHARMA SPA·Filed 2006·Granted Jan 8, 2008·14 cites·18 claims
- 0483US7683052B2Crystalline polymorph of bazedoxifene acetateWYETH CORP·Filed 2005·Granted Mar 23, 2010·9 cites·41 claims
- 0582US5543533APhotochromic products and method for their preparationGREAT LAKES CHEMICAL ITALIA·Filed 1994·Granted Aug 6, 1996·27 cites·6 claims
- 0682US5242624AStabilizing mixture for compounds having a photochromatic activityENICHEM SINTESI·Filed 1991·Granted Sep 7, 1993·12 cites·11 claims
- 0782US5186867ASpiro-indoline oxazine compounds with photochromatic and photosensitizing characteristics and the process for their preparationENICHEM SINTESI·Filed 1992·Granted Feb 16, 1993·44 cites·4 claims
- 0881US5730908APhotochromatic and thermochromatic compounds and their application in polymeric materialsENICHEM SINTESI·Filed 1994·Granted Mar 24, 1998·25 cites·10 claims
- 0980US6271375B1Ortho-metalation process for the synthesis of 2-substituted-1-(tetrazol-5-yl)benzenesZAMBON SPA·Filed 1998·Granted Aug 7, 2001·28 cites·11 claims
- 1079US9550743B2Process for the preparation of an antidepressant and the intermediates thereofDIPHARMA FRANCIS SRL·Filed 2015·Granted Jan 24, 2017·3 cites·19 claims
- 1179US7375251B2Processes for the preparation of aminoethoxybenzyl alcoholsWYETH CORP·Filed 2006·Granted May 20, 2008·2 cites·36 claims
- 1279US7335793B2Process for the preparation of tolterodineDIPHARMA SPA·Filed 2006·Granted Feb 26, 2008·3 cites·8 claims
- 1377US8530691B2Process for the preparation of fesoterodineMANTEGAZZA SIMONE·Filed 2010·Granted Sep 10, 2013·3 cites·15 claims
- 1477US7989618B2Linezolid crystalline hydrate form and linezolid saltsDIPHARMA FRANCIS SRL·Filed 2008·Granted Aug 2, 2011·2 cites·8 claims
- 1577US7982062B2Process for the preparation of cholanic acidsDIPHARMA FRANCIS SRL·Filed 2007·Granted Jul 19, 2011·5 cites·18 claims
- 1676US12077484B2Process for the synthesis of melphalanINDENA SPA·Filed 2023·Granted Sep 3, 2024·0 cites·3 claims
- 1776US7119212B2Process for the preparation of tolterodine and intermediates thereofDIPHARMA SPA·Filed 2005·Granted Oct 10, 2006·2 cites·19 claims
- 1876US5171636APhotochromatic and thermochromatic spiro-oxazepin-oxazine compounds and the process for their preparationENICHEM SINTESI·Filed 1992·Granted Dec 15, 1992·24 cites·4 claims
- 1975US8183367B2Methods of preparing polymorphic form A of bazedoxifene acetateANDREELLA PAOLO·Filed 2009·Granted May 22, 2012·3 cites·3 claims
- 2074US5110922APhotochromatic and thermochromatic spiro-oxazepin-oxazine compounds and the process for their preparationENICHEM SINTESI·Filed 1991·Granted May 5, 1992·20 cites·7 claims
- 2173US8143409B2Crystalline form of rabeprazole sodiumBARRECA GIUSEPPE·Filed 2007·Granted Mar 27, 2012·2 cites·5 claims
- 2273US7081534B2Process for the preparation of pantoprazole and salts thereofDIPHARMA SPA·Filed 2004·Granted Jul 25, 2006·8 cites·18 claims
- 2372US9687484B2Crystalline forms of an antidepressant compoundDIPHARMA FRANCIS SRL·Filed 2015·Granted Jun 27, 2017·2 cites·4 claims
- 2472US8236961B2Process for the preparation of keto compoundsSCUBLA TIZIANO·Filed 2008·Granted Aug 7, 2012·3 cites·4 claims
- 2572US7692027B2Process for the preparation of telmisartanDIPHARMA SPA·Filed 2006·Granted Apr 6, 2010·1 cites·12 claims
- 2670US8772340B2Process for the preparation of fesoterodine or a salt thereofARTICO MARCO·Filed 2011·Granted Jul 8, 2014·1 cites·10 claims
- 2770US5055576APhotochromatic and thermochromatic spiro-oxazepin-oxazine compounds and the process for their preparationENICHEM SINTESI·Filed 1990·Granted Oct 8, 1991·21 cites·3 claims
- 2868US7288678B2Process for preparing terbinafine by using platinum as catalystDIPHARMA SPA·Filed 2003·Granted Oct 30, 2007·5 cites·10 claims
- 2967US11787761B2Process for the synthesis of MelphalanINDENA SPA·Filed 2020·Granted Oct 17, 2023·0 cites·8 claims
- 3065US8455678B2Process for the preparation of fesoterodine with low impurities contentARTICO MARCO·Filed 2010·Granted Jun 4, 2013·1 cites·15 claims
- 3163US5599876AComposition and procedure for the preparation of organic glassesENICHEM SINTESI·Filed 1993·Granted Feb 4, 1997·14 cites·14 claims
- 3262US6998490B2Process for the preparation of organic compounds containing a sulfinyl or sulfonyl groupABBREVIATED DIPHARMA S P A·Filed 2004·Granted Feb 14, 2006·4 cites·10 claims
- 3362US2009312550A1Ziprasidone free from colored impurities and a process for its preparationDIPHARMA FRANCIS SRL·Filed 2009·Application pending·0 cites
- 3460US7420091B2Process for the preparation of tolterodineDIPHARMA SPA·Filed 2007·Granted Sep 2, 2008·0 cites·2 claims
- 3560US2025134852A1Quercetin-based compositions for the treatment and prevention of ocular affectionsINDENA SPA·Filed 2023·Application pending·0 cites
- 3659US8198459B2Method for the preparation of rufinamideATTOLINO EMANUELE·Filed 2010·Granted Jun 12, 2012·1 cites·14 claims
- 3759US7563794B2Ziprasidone free from colored impurities and a process for its preparationDIPHARMA FRANCIS SRL·Filed 2006·Granted Jul 21, 2009·0 cites·1 claims
- 3859US2008081914A1Process for the preparation of benzo [d] isoxazol-3-yl-methanesulfonic acid and the intermediates thereofDIPHARMA SPA·Filed 2007·Application pending·0 cites
- 3958US7385062B2Process for the preparation of phenyltetrazole derivativesDIPHARMA SPA·Filed 2004·Granted Jun 10, 2008·1 cites·8 claims
- 4058US2014275610A1Process for the preparation of fesoterodine or a salt thereofDIPHARMA FRANCIS SRL·Filed 2014·Application pending·0 cites
- 4158US2023398134A1Solid dispersions of cannabidiolINDENA SPA·Filed 2021·Application pending·0 cites
- 4257US7439261B2Process for the preparation of valsartan and intermediates thereofDIPHARMA SPA·Filed 2004·Granted Oct 21, 2008·2 cites·10 claims
- 4357US2009111853A1Fexofenadine polymorphs and process for the preparation thereofDIPHARMA SPA·Filed 2008·Application pending·0 cites
- 4457US2008161573A1Process for the preparation of imiquimod and intermediates thereofDIPHARMA SPA·Filed 2007·Application pending·0 cites
- 4556US12467070B2Semisynthetic process for the preparation of colchicineINDENA SPA·Filed 2021·Granted Nov 11, 2025·0 cites·12 claims
- 4656US2008207898A1Processes for the preparation of aminoethoxybenzyl alcoholsWYETH CORP·Filed 2008·Application pending·0 cites
- 4755US9079831B2Process for the preparation of sulfonamide compoundsDIPHARMA FRANCIS SRL·Filed 2014·Granted Jul 14, 2015·0 cites·14 claims
- 4855US8193386B2Crystalline form of (S)-1-phenylethylammonium (R)-diphenylmethanesulphinyl-acetateBARRECA GIUSEPPE·Filed 2008·Granted Jun 5, 2012·0 cites·13 claims
- 4955US7605268B2Process for the preparation of pyridine compoundsDIPHARMA FRANCIS SRL·Filed 2007·Granted Oct 20, 2009·0 cites·1 claims
- 5055US6103931AProcess for preparing (R)-2-bromo-3-phenyl-propionic acidZAMBON SPA·Filed 1999·Granted Aug 15, 2000·5 cites·11 claims
Showing the top 50 of 113 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →