Inventor · disambiguated record
J. Michael Ramstack
Also filed as: RAMSTACK J M · RAMSTACK J MICHAEL
44 granted patents·24 pending applications·2,080 citations·filing 1996–2021
99Inventor score
Files withALKERMES INC41ALKERMES PHARMA IRELAND LTD7CERULEAN PHARMA INC6RAMSTACK J MICHAEL3NOVARTIS AG2
Top patents by PatentIndex Score
68 records- 0198US7223440B2Residual solvent extraction method and microparticles produced therebyALKERMES INC·Filed 2005·Granted May 29, 2007·35 cites·23 claims
- 0298US6667061B2Preparation of injectable suspensions having improved injectabilityALKERMES INC·Filed 2002·Granted Dec 23, 2003·89 cites·23 claims
- 0398US6495164B1Preparation of injectable suspensions having improved injectabilityALKERMES INC·Filed 2000·Granted Dec 17, 2002·246 cites·53 claims
- 0498US6264987B1Method for preparing microparticles having a selected polymer molecular weightALKERMES INC·Filed 2000·Granted Jul 24, 2001·92 cites·50 claims
- 0598US5792477APreparation of extended shelf-life biodegradable, biocompatible microparticles containing a biologically active agentALKERMES INC·Filed 1997·Granted Aug 11, 1998·247 cites·52 claims
- 0697US6824822B2Residual solvent extraction method and microparticles produced therebyALKERMES INC·Filed 2001·Granted Nov 30, 2004·63 cites·14 claims
- 0797US6596316B2Preparation of microparticles having a selected release profileALKERMES INC·Filed 2002·Granted Jul 22, 2003·89 cites·19 claims
- 0897US6379703B1Preparation of microparticles having a selected release profileALKERMES INC·Filed 2000·Granted Apr 30, 2002·69 cites·18 claims
- 0997US6379704B2Method for preparing microparticles having a selected polymer molecular weightALKERMES INC·Filed 2001·Granted Apr 30, 2002·76 cites·50 claims
- 1097US6110503APreparation of biodegradable, biocompatible microparticles containing a biologically active agentALKERMES INC·Filed 1999·Granted Aug 29, 2000·129 cites·29 claims
- 1197US5916598APreparation of biodegradable, biocompatible microparticles containing a biologically active agentALKERMES INC·Filed 1998·Granted Jun 29, 1999·138 cites·20 claims
- 1296US6534092B2Method for preparing microparticles having a selected polymer molecular weightALKERMES INC·Filed 2002·Granted Mar 18, 2003·54 cites·44 claims
- 1395US8618240B2Methods and systems for generating nanoparticlesCERULEAN PHARMA INC·Filed 2013·Granted Dec 31, 2013·73 cites·42 claims
- 1495US6194006B1Preparation of microparticles having a selected release profileALKERMES INC·Filed 1998·Granted Feb 27, 2001·115 cites·43 claims
- 1595US5650173APreparation of biodegradable microparticles containing a biologically active agentALKERMES INC·Filed 1996·Granted Jul 22, 1997·335 cites·23 claims
- 1694US8404799B2Methods and systems for generating nanoparticlesPODOBINSKI JOHN·Filed 2012·Granted Mar 26, 2013·70 cites·62 claims
- 1793US7371406B2Preparation of injectable suspensions having improved injectabilityALKERMES INC·Filed 2003·Granted May 13, 2008·32 cites·20 claims
- 1892US7799345B2Preparation of injectable suspensions having improved injectabilityALKERMES INC·Filed 2007·Granted Sep 21, 2010·6 cites·12 claims
- 1992US6290983B1Preparation of biodegradable, biocompatible microparticles containing a biologically active agentALKERMES INC·Filed 2000·Granted Sep 18, 2001·27 cites·10 claims
- 2091US6403114B1Preparation of biodegradable, biocompatible microparticles containing a biologically active agentALKERMES INC·Filed 2001·Granted Jun 11, 2002·24 cites·15 claims
- 2188US8975272B2Polymorphic forms of naltrexoneALKERMES INC·Filed 2014·Granted Mar 10, 2015·2 cites·4 claims
- 2288US6830737B2Apparatus for preparing microparticles using liquid-liquid extractionALKERMES INC·Filed 2002·Granted Dec 14, 2004·27 cites·11 claims
- 2387US8546521B2Method for fabricating nanoparticlesRAMSTACK J MICHAEL·Filed 2012·Granted Oct 1, 2013·6 cites·58 claims
- 2486US10166228B2Polymorphic forms of naltrexoneALKERMES PHARMA IRELAND LTD·Filed 2018·Granted Jan 1, 2019·2 cites·4 claims
- 2584US8735420B2Polymorphic forms of naltrexoneALKERMES INC·Filed 2012·Granted May 27, 2014·1 cites·12 claims
- 2684US7279579B2Polymorphic forms of naltrexoneALKERMES INC·Filed 2004·Granted Oct 9, 2007·4 cites·5 claims
- 2782US9556189B2Polymorphic forms of naltrexoneALKERMES PHARMA IRELAND LTD·Filed 2016·Granted Jan 31, 2017·1 cites·4 claims
- 2880US8207290B2Methods and systems for generating nanoparticlesPODOBINSKI JOHN·Filed 2011·Granted Jun 26, 2012·5 cites·161 claims
- 2979US8389540B2Polymorphic forms of naltrexoneBRITTAIN HARRY G·Filed 2007·Granted Mar 5, 2013·1 cites·12 claims
- 3079US7875310B2Residual solvent extraction method and microparticles produced therebyALKERMES INC·Filed 2009·Granted Jan 25, 2011·2 cites·12 claims
- 3178US7524530B2Residual solvent extraction method and microparticles produced therebyALKERMES INC·Filed 2007·Granted Apr 28, 2009·2 cites·12 claims
- 3277US2021317235A1Methods and systems for polymer precipitation and generation of particlesNOVARTIS AG·Filed 2021·Application pending·0 cites
- 3376US6884372B2Method for preparing microparticles using liquid-liquid extractionALKERMES INC·Filed 2004·Granted Apr 26, 2005·3 cites·20 claims
- 3475US9827240B2Polymorphic forms of naltrexoneALKERMES PHARMA IRELAND LTD·Filed 2016·Granted Nov 28, 2017·0 cites·4 claims
- 3575US6471995B1Apparatus and method for preparing microparticles using liquid-liquid extractionALKERMES INC·Filed 2000·Granted Oct 29, 2002·10 cites·65 claims
- 3674US2018355071A1Methods and systems for polymer precipitation and generation of particlesCERULEAN PHARMA INC·Filed 2018·Application pending·0 cites
- 3774US2008051561A1Residual solvent extraction method and microparticles produced therebyALKERMES INC·Filed 2007·Application pending·0 cites
- 3873US10328070B1Polymorphic forms of naltrexoneALKERMES PHARMA IRELAND LTD·Filed 2018·Granted Jun 25, 2019·0 cites·4 claims
- 3973US2008058502A1Method for preparing microparticles having a selected polymer molecular weightALKERMES INC·Filed 2007·Application pending·0 cites
- 4071US9980958B2Polymorphic forms of naltrexoneALKERMES PHARMA IRELAND LTD·Filed 2017·Granted May 29, 2018·0 cites·4 claims
- 4171US2014193507A1Preparation of injectable suspensions having improved injectabilityALKERMES PHARMA IRELAND LTD·Filed 2013·Application pending·0 cites
- 4270US9221830B2Polymorphic forms of naltrexoneALKERMES INC·Filed 2015·Granted Dec 29, 2015·0 cites·4 claims
- 4370US8809492B2Method for fabricating nanoparticlesCERULEAN PHARMA INC·Filed 2013·Granted Aug 19, 2014·1 cites·21 claims
- 4469US2017362346A1Methods and systems for polymer precipitation and generation of particlesCERULEAN PHARMA INC·Filed 2017·Application pending·0 cites
- 4568US9598503B2Methods and systems for polymer precipitation and generation of particlesRAMSTACK J MICHAEL·Filed 2013·Granted Mar 21, 2017·0 cites·31 claims
- 4668US9365580B2Polymorphic forms of naltrexoneALKERMES PHARMA IRELAND LTD·Filed 2015·Granted Jun 14, 2016·0 cites·4 claims
- 4768US2005079224A1Residual solvent extraction method and microparticles produced therebyALKERMES INC·Filed 2004·Application pending·0 cites
- 4864US11464871B2Methods and systems for polymer precipitation and generation of particlesNOVARTIS AG·Filed 2018·Granted Oct 11, 2022·0 cites·21 claims
- 4964US7247319B2Preparation of microparticles having improved flowabilityALKERMES INC·Filed 2001·Granted Jul 24, 2007·4 cites·12 claims
- 5063US2003203039A1Preparation of microparticles having a selected release profileALKERMES INC·Filed 2003·Application pending·0 cites
Showing the top 50 of 68 patent records by PatentIndex Score.
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