Inventor · disambiguated record
Benjamin Oshlack
Also filed as: OSHLACK BENJAMIN
157 granted patents·80 pending applications·20,445 citations·filing 1982–2019
99Inventor score
Files withPURDUE PHARMA LP155EURO CELTIQUE SA40OSHLACK BENJAMIN10PURDUE PHARMA COMPANY5BREDER CHRISTOPHER3
Top patents by PatentIndex Score
237 records- 0199US9526724B2Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2016·Granted Dec 27, 2016·56 cites·30 claims
- 0299US9387174B2Pharmaceutical formulation containing gelling agentPURDUE PHARMA LP·Filed 2015·Granted Jul 12, 2016·26 cites·22 claims
- 0399US9387173B2Pharmaceutical formulation containing gelling agentPURDUE PHARMA LP·Filed 2015·Granted Jul 12, 2016·27 cites·22 claims
- 0499US9205056B2Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2015·Granted Dec 8, 2015·21 cites·30 claims
- 0599US9205055B2Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2015·Granted Dec 8, 2015·21 cites·20 claims
- 0699US9198863B2Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2015·Granted Dec 1, 2015·21 cites·30 claims
- 0799US9060976B2Pharmaceutical formulation containing gelling agentPURDUE PHARMA LP·Filed 2012·Granted Jun 23, 2015·72 cites·1 claims
- 0899US9056052B1Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2015·Granted Jun 16, 2015·24 cites·30 claims
- 0999US9044435B2Pharmaceutical formulation containing gelling agentPURDUE PHARMA LP·Filed 2014·Granted Jun 2, 2015·55 cites·20 claims
- 1099US9040084B2Pharmaceutical formulation containing gelling agentPURDUE PHARMA LP·Filed 2013·Granted May 26, 2015·38 cites·9 claims
- 1199US9034376B2Pharmaceutical formulation containing gelling agentPURDUE PHARMA LP·Filed 2014·Granted May 19, 2015·48 cites·19 claims
- 1299US9023401B1Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2014·Granted May 5, 2015·25 cites·30 claims
- 1399US8999961B2Pharmaceutical formulation containing gelling agentPURDUE PHARMA LP·Filed 2013·Granted Apr 7, 2015·41 cites·8 claims
- 1499US8951555B1Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2014·Granted Feb 10, 2015·24 cites·28 claims
- 1599US8871265B2Pharmaceutical formulation containing gelling agentPURDUE PHARMA LP·Filed 2014·Granted Oct 28, 2014·51 cites·13 claims
- 1699US8715721B2Controlled release hydrocodonePURDUE PHARMA LP·Filed 2013·Granted May 6, 2014·34 cites·34 claims
- 1799US8647667B2Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2013·Granted Feb 11, 2014·81 cites·38 claims
- 1899US8609683B2Pharmaceutical formulation containing gelling agentPURDUE PHARMA LP·Filed 2013·Granted Dec 17, 2013·85 cites·22 claims
- 1999US8551520B2Controlled release hydrocodonePURDUE PHARMA LP·Filed 2012·Granted Oct 8, 2013·68 cites·19 claims
- 2099US8529948B1Pharmaceutical formulation containing gelling agentPURDUE PHARMA LP·Filed 2013·Granted Sep 10, 2013·80 cites·22 claims
- 2199US8524275B2Pharmaceutical formulations containing opioid agonist, opioid antagonist and gelling agentOSHLACK BENJAMIN·Filed 2010·Granted Sep 3, 2013·92 cites·27 claims
- 2299US8389007B2Pharmaceutical composition containing gelling agentWRIGHT CURTIS·Filed 2008·Granted Mar 5, 2013·94 cites·20 claims
- 2399US8361499B2Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2012·Granted Jan 29, 2013·54 cites·30 claims
- 2499US8337888B2Pharmaceutical formulation containing gelling agentWRIGHT CURTIS·Filed 2012·Granted Dec 25, 2012·198 cites·24 claims
- 2599US8231898B2Controlled release hydrocodone formulationsOSHLACK BENJAMIN·Filed 2010·Granted Jul 31, 2012·60 cites·20 claims
- 2699US8142811B2Controlled release hydrocodone formulationsOSHLACK BENJAMIN·Filed 2009·Granted Mar 27, 2012·74 cites·30 claims
- 2799US7842307B2Pharmaceutical formulation containing opioid agonist, opioid antagonist and gelling agentPURDUE PHARMA LP·Filed 2002·Granted Nov 30, 2010·221 cites·43 claims
- 2899US7658939B2Tamper-resistant oral opioid agonist formulationsPURDUE PHARMA LP·Filed 2003·Granted Feb 9, 2010·176 cites·24 claims
- 2999US7514100B2Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2003·Granted Apr 7, 2009·129 cites·42 claims
- 3099US7144587B2Pharmaceutical formulation containing opioid agonist, opioid antagonist and bittering agentEURO CELTIQUE SA·Filed 2002·Granted Dec 5, 2006·216 cites·22 claims
- 3199US7141250B2Pharmaceutical formulation containing bittering agentPURDUE PHARMA LP·Filed 2002·Granted Nov 28, 2006·224 cites·38 claims
- 3299US6733783B2Controlled release hydrocodone formulationsEURO CELTIQUE SA·Filed 2001·Granted May 11, 2004·396 cites·40 claims
- 3399US6716449B2Controlled-release compositions containing opioid agonist and antagonistEURO CELTIQUE SA·Filed 2001·Granted Apr 6, 2004·252 cites·10 claims
- 3499US6706281B2Melt-extrusion multiparticulatesEURO CELTIQUE SA·Filed 2002·Granted Mar 16, 2004·191 cites·39 claims
- 3599US6696088B2Tamper-resistant oral opioid agonist formulationsEURO CELTIQUE SA·Filed 2001·Granted Feb 24, 2004·456 cites·40 claims
- 3699US6572885B2Orally administrable opioid formulations having extended duration of effectPURDUE PHARMA LP·Filed 2001·Granted Jun 3, 2003·264 cites·22 claims
- 3799US6387404B2Immediate release tablet cores of insoluble drugs having sustained-release coatingEURO CELTIQUE SA·Filed 2001·Granted May 14, 2002·220 cites·27 claims
- 3899US6335033B2Melt-extrusion multiparticulatesEURO CELTIQUE SA·Filed 1999·Granted Jan 1, 2002·280 cites·43 claims
- 3999US6294195B1Orally administrable opioid formulations having extended duration of effectPURDUE PHARMA LP·Filed 1999·Granted Sep 25, 2001·327 cites·26 claims
- 4099US6210714B1Immediate release tablet cores of acetaminophen having sustained-release coatingEURO CELTIQUE SA·Filed 2000·Granted Apr 3, 2001·239 cites·16 claims
- 4199US5968551AOrally administrable opioid formulations having extended duration of effectPURDUE PHARMA LP·Filed 1995·Granted Oct 19, 1999·561 cites·52 claims
- 4299US5965161AExtruded multi-particulatesEURO CELTIQUE SA·Filed 1994·Granted Oct 12, 1999·471 cites·66 claims
- 4399US5958452AExtruded orally administrable opioid formulationsEURO CELTIQUE SA·Filed 1997·Granted Sep 28, 1999·519 cites·69 claims
- 4499US5681585AStabilized controlled release substrate having a coating derived from an aqueous dispersion of hydrophobic polymerEURO CELTIQUE SA·Filed 1996·Granted Oct 28, 1997·291 cites·25 claims
- 4599US5639476AControlled release formulations coated with aqueous dispersions of acrylic polymersEURO CELTIQUE SA·Filed 1995·Granted Jun 17, 1997·2.2k cites·13 claims
- 4699US5580578AControlled release formulations coated with aqueous dispersions of acrylic polymersEURO CELTIQUE SA·Filed 1993·Granted Dec 3, 1996·507 cites·56 claims
- 4799US5500227AImmediate release tablet cores of insoluble drugs having sustained-release coatingEURO CELTIQUE SA·Filed 1993·Granted Mar 19, 1996·473 cites·25 claims
- 4899US5472712AControlled-release formulations coated with aqueous dispersions of ethylcelluloseEURO CELTIQUE SA·Filed 1993·Granted Dec 5, 1995·603 cites·118 claims
- 4999US5356467AControlled release coatings derived from aqueous dispersions of zeinEURO CELTIQUE SA·Filed 1993·Granted Oct 18, 1994·497 cites·34 claims
- 5099US5286493AStabilized controlled release formulations having acrylic polymer coatingEURO CELTIQUE SA·Filed 1992·Granted Feb 15, 1994·630 cites·35 claims
Showing the top 50 of 237 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →