Inventor · disambiguated record
Patrick Leon
Also filed as: LEON PATRICK
25 granted patents·146 citations·filing 1991–2005
95Inventor score
Files withRHONE POULENC RORER SA12MERIAL SAS4AVENTIS PHARM PROD INC3AVENTIS PHARMA INC2AVENTIS PHARMA SA1
Top patents by PatentIndex Score
25 records- 0186US5681970AMethod for the preparation of β-phenylisoserine derivativesRHONE POULENC RORER SA·Filed 1994·Granted Oct 28, 1997·27 cites·15 claims
- 0281US5962705AProcess for preparing derivatives of the taxoid familyRHONE POULENC RORER SA·Filed 1998·Granted Oct 5, 1999·35 cites·24 claims
- 0376US6429315B1Process for preparing N6-substituted adenosine derivativesAVENTIS PHARMA INC·Filed 2000·Granted Aug 6, 2002·16 cites·18 claims
- 0475US5684159AL-tartaric acid salt of a (1R) diastereomer of a 2-azadihydroxybicyclo 2.2.1!heptane compound and the preparation of 2-azabicyclo 2.2.1!heptane compoundsRHONE POULENC RORER SA·Filed 1996·Granted Nov 4, 1997·14 cites·17 claims
- 0572US6353096B1Process of use in converting the 4″(S)-OH functional group of the cladinose unit of an azamacrolide to 4″(R)-NH2MERIAL SAS·Filed 2000·Granted Mar 5, 2002·6 cites·32 claims
- 0666US6562953B2Process which is useful for converting the carbonyl function in position 4″ of the cladinose unit of an aza-macrolide into an amine derivativeMERIAL SAS·Filed 2001·Granted May 13, 2003·3 cites·26 claims
- 0763US6482931B2Process for the preparation of 9-deoxo-8a-aza-(8a-alkyl)-8a-homoerythromycin A derivatives from 9-deoxo-9 (Z)-hydroxyiminoerythromycin AMERIAL SAS·Filed 2001·Granted Nov 19, 2002·1 cites·16 claims
- 0863US5631383ADerivatives of 2-azabicyclo[2.2.1]heptane, their preparation and their applicationRHONE POULENC RORER SA·Filed 1995·Granted May 20, 1997·9 cites·6 claims
- 0960US6590084B2Process for preparing and isolating 9-deoxo-9 (Z)-hydroxyiminoerythromycin AMERIAL SAS·Filed 2001·Granted Jul 8, 2003·1 cites·22 claims
- 1059US5347039AProcess for the preparation of derivatives of 3,5-dihydroxypentanoic acidRHONE POULENC RORER SA·Filed 1991·Granted Sep 13, 1994·7 cites·20 claims
- 1158US6180759B1Process for the preparation of azacycloalkylakanoyl pseudotetrapeptidesAVENTIS PHARM PROD INC·Filed 2000·Granted Jan 30, 2001·2 cites·57 claims
- 1257US6235909B1Preparation of is-[1A,2B,3B,4A(S*)]-4-[7-[[1-(3-chloro-2-Thienyl)methyl]amino]-3H-imidazo [4,5-B]pyridin-3-YL]-N-ethyl-2,3-dihydroxycyclopentanecarboxamideAVENTIS PHARM PROD INC·Filed 2000·Granted May 22, 2001·1 cites·2 claims
- 1355US5808093AL-tartaric acid salt of a (1R) diastereomer of a 2-azadihydroxybicyclo 2.2.1!heptane compound and the preparation of 2-azabicyclo 2.2.1!heptane compoundsRHONE POULENC RORER SA·Filed 1997·Granted Sep 15, 1998·4 cites·1 claims
- 1455US5670649ADerivatives of 2-azabicyclo 2.2.1!heptane, their preparation and their applicationRHONE POULENC RORER SA·Filed 1996·Granted Sep 23, 1997·5 cites·9 claims
- 1553US6127550AStereospecific preparation of chiral 1-aryl-and 1-heteroaryl-2-substituted ethyl-2-aminesRHONE POULENC RORER PHARMA·Filed 1999·Granted Oct 3, 2000·5 cites·21 claims
- 1646US5831096AL-tartaric acid salt of a (1R) diastereomer of a 2-azadihydroxybicyclo 2.2.1!heptane compound and the preparation of 2-azabicyclo 2.2.1! heptane compoundsRHONE POULENC RORER SA·Filed 1997·Granted Nov 3, 1998·2 cites·6 claims
- 1745US6486320B2Preparation of camptothecin and of its derivativesAVENTIS PHARMA SA·Filed 2001·Granted Nov 26, 2002·1 cites·45 claims
- 1845US6143894APreparation of [1S-[1A,2B,3B,4A(S*)]]-4-[7-[[1-(3-chloro-2-thienyl)methyl propyl]amino] -3H-imidazo[4,5-B]pyridin-3-yl]-N-ethyl-2,3-dihydroxycyclopentanecarboxa mideAVENTIS PHARM PROD INC·Filed 1999·Granted Nov 7, 2000·3 cites·25 claims
- 1943USRE40040EProcess of use in converting the 4″(S)-OH functional group of the cladinose unit of an azamacrolide to 4″(R)-NH2MERIAL LTD·Filed 2005·Granted Jan 29, 2008·0 cites·32 claims
- 2039US5886192AL-tartaric acid salt of a (1R) diastereomer of a 2-azadihydroxybicyclo 2.2.1!heptane compound and the preparation of 2-azabicyclo 2.2.1!heptane compoundsRHONE POULENC RORER SA·Filed 1997·Granted Mar 23, 1999·3 cites·3 claims
- 2134US5637753AProcess for the preparation of N-carbonylarylimines useful in the synthesis of therapeutically active taxoidsRHONE POULENC RORER SA·Filed 1994·Granted Jun 10, 1997·1 cites·11 claims
- 2233US5912365ADerivatives of 2-azabicyclo 2.2.1! heptane, their preparation and their applicationRHONE POULENC RORER SA·Filed 1997·Granted Jun 15, 1999·0 cites·2 claims
- 2331US6433172B1Steroespecific preparation of chiral 1-aryl- and 1-heteroaryl-2-substituted ethyl-2-aminesAVENTIS PHARMA INC·Filed 1999·Granted Aug 13, 2002·0 cites·25 claims
- 2430US5624933AProcess for the preparation of a 6-fluoro-2-halo-quinolineRHONE POULENC RORER SA·Filed 1994·Granted Apr 29, 1997·0 cites·8 claims
- 2529US5688954AProcess for the preparation of substituted thiopyran-1-oxidesRHONE POULENC RORER LTD·Filed 1994·Granted Nov 18, 1997·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →