Inventor · disambiguated record
Derek Allan Prater
Also filed as: PRATER DEREK · PRATER DEREK A · PRATER DEREK ALLAN
37 granted patents·18 pending applications·3,900 citations·filing 1989–2018
98Inventor score
Files withEURO CELTIQUE SA27PURDUE PHARMA LP12RHODES PHARMACEUTICALS LP3HAYES GEOFFREY GERARD2OKSCHE ALEXANDER2
Top patents by PatentIndex Score
55 records- 0198US5879705ASustained release compositions of morphine and a method of preparing pharmaceutical compositionsEURO CELTIQUE SA·Filed 1997·Granted Mar 9, 1999·322 cites·11 claims
- 0297US6326027B1Controlled release formulationEURO CELTIQUE SA·Filed 1995·Granted Dec 4, 2001·180 cites·46 claims
- 0397US6254887B1Controlled release tramadolEURO CELTIQUE SA·Filed 1996·Granted Jul 3, 2001·219 cites·33 claims
- 0497US6162467ASustained release compositions and a method of preparing pharmaceutical compositionsEURO CELTIQUE SA·Filed 1999·Granted Dec 19, 2000·238 cites·14 claims
- 0597US5965163ASubstained release compositions and a method of preparing pharmaceutical compositionsEURO CELTIQUE SA·Filed 1997·Granted Oct 12, 1999·294 cites·33 claims
- 0697US5849240AMethod of preparing sustained release pharmaceutical compositionsEURO CELTIQUE SA·Filed 1996·Granted Dec 15, 1998·354 cites·21 claims
- 0797US5591452AControlled release formulationEURO CELTIQUE SA·Filed 1994·Granted Jan 7, 1997·260 cites·39 claims
- 0896US7074430B2Controlled release tramadol tramadol formulationEURO CELTIQUE SA·Filed 2001·Granted Jul 11, 2006·95 cites·17 claims
- 0996US6399096B1Pharmaceutical formulationEURO CELTIQUE SA·Filed 1996·Granted Jun 4, 2002·176 cites·22 claims
- 1096US5891471APharmaceutical multiparticulatesEURO CELTIQUE SA·Filed 1996·Granted Apr 6, 1999·328 cites·23 claims
- 1196US5601845APharmaceutical spheroid formulationEURO CELTIQUE SA·Filed 1996·Granted Feb 11, 1997·211 cites·17 claims
- 1295US7846476B2Once-a-day oxycodone formulationsPURDUE PHARMA LP·Filed 2002·Granted Dec 7, 2010·63 cites·17 claims
- 1395US5843480AControlled release diamorphine formulationEURO CELTIQUE SA·Filed 1996·Granted Dec 1, 1998·203 cites·26 claims
- 1495US5670172APharmaceutical spheroid formulationEURO CELTIQUE SA·Filed 1995·Granted Sep 23, 1997·144 cites·21 claims
- 1594US5071646APharmaceutical ion exchange resin compositionEURO CELTIQUE SA·Filed 1989·Granted Dec 10, 1991·222 cites·10 claims
- 1692US6143328ASustained release compositions and a method of preparing pharmaceutical compositionsEURO CELTIQUE SA·Filed 1999·Granted Nov 7, 2000·108 cites·13 claims
- 1792US6068855APharmaceutical composition containing a fusible carrier and method for producing the sameEURO CELTIQUE SA·Filed 1995·Granted May 30, 2000·169 cites·25 claims
- 1891US6077532APharmaceutical ion exchange resin compositionEURO CELTIQUE SA·Filed 1996·Granted Jun 20, 2000·109 cites·14 claims
- 1991US5622722ASpheroid formulationEURO CELTIQUE SA·Filed 1994·Granted Apr 22, 1997·118 cites·9 claims
- 2089US8506998B2Pharmaceutical formulationMILLER RONALD BROWN·Filed 2006·Granted Aug 13, 2013·11 cites·34 claims
- 2185US8920836B2ParticulatesHAYES GEOFFREY GERARD·Filed 2005·Granted Dec 30, 2014·8 cites·56 claims
- 2280US9370512B2Buprenorphine-wafer for drug substitution therapyPURDUE PHARMA LP·Filed 2015·Granted Jun 21, 2016·2 cites·24 claims
- 2378US9101625B2Buprenorphine-wafer for drug substitution therapyOKSCHE ALEXANDER·Filed 2007·Granted Aug 11, 2015·3 cites·14 claims
- 2475US9655893B2Once-a-day oxycodone formulationsPURDUE PHARMA LP·Filed 2014·Granted May 23, 2017·0 cites·21 claims
- 2571US10660886B2Oxycodone formulationsPURDUE PHARMA LP·Filed 2017·Granted May 26, 2020·0 cites·18 claims
- 2669US9603802B2ExtrusionHAYES GEOFFREY GERARD·Filed 2008·Granted Mar 28, 2017·0 cites·5 claims
- 2765US9750736B2Oxycodone formulationsPURDUE PHARMA LP·Filed 2015·Granted Sep 5, 2017·0 cites·26 claims
- 2865US9655894B2Once-A day oxycodone formulationsPURDUE PHARMA LP·Filed 2015·Granted May 23, 2017·0 cites·6 claims
- 2965US2019216797A1Buprenorphine-wafer for drug substitution therapyRHODES PHARMACEUTICALS LP·Filed 2018·Application pending·0 cites
- 3065US2009117191A1Controlled release tramadol formulationsPURDUE PHARMA PRODUCTS L P·Filed 2008·Application pending·0 cites
- 3165US2015025102A1Buprenorphine-Wafer for Drug Substitution TherapyEURO CELTIQUE SA·Filed 2014·Application pending·0 cites
- 3263US2018008595A1Buprenorphine wafer for drug substitution therapyRHODES PHARMACEUTICALS LP·Filed 2017·Application pending·0 cites
- 3363US2011104214A1Once-a-day oxycodone formulationsPURDUE PHARMA LP·Filed 2010·Application pending·0 cites
- 3462US2015148366A1ParticulatesEURO CELTIQUE SA·Filed 2014·Application pending·0 cites
- 3562US2017157062A1Buprenorphine-Wafer for Drug Substitution TherapyPURDUE PHARMA LP·Filed 2017·Application pending·0 cites
- 3661US9861628B2Buprenorphine-wafer for drug substitution therapyRHODES PHARMACEUTICALS LP·Filed 2016·Granted Jan 9, 2018·0 cites·15 claims
- 3761US9763931B2Buprenorphine-wafer for drug substitution therapyPURDUE PHARMA LP·Filed 2016·Granted Sep 19, 2017·0 cites·24 claims
- 3860US2006269603A1Controlled release tramadol formulationsEURO CELTIQUE SA·Filed 2006·Application pending·0 cites
- 3959US7704948B2Pharmaceutical compositionEURO CELTIQUE SA·Filed 2002·Granted Apr 27, 2010·2 cites·14 claims
- 4059US5112515APhenothrin shampooEURO CELTIQUE SA·Filed 1991·Granted May 12, 1992·23 cites·13 claims
- 4159US2018153812A1Alcohol resistant dosage formsPURDUE PHARMA LP·Filed 2018·Application pending·0 cites
- 4258US2002102300A1Pharmaceuticals formulationFiled 2002·Application pending·0 cites
- 4356US5508044ADiltiazem pharmaceutical spheroid formulationEURO CELTIQUE SA·Filed 1994·Granted Apr 16, 1996·20 cites·2 claims
- 4456US2001019725A1Sustained release compositions and a method of preparing pharmaceutical compositionsFiled 2000·Application pending·0 cites
- 4556US2017079923A1Alcohol resistant dosage formsPURDUE PHARMA LP·Filed 2016·Application pending·0 cites
- 4653US10231936B2Delayed release pharmaceutical formulationsPRATER DEREK ALLAN·Filed 2006·Granted Mar 19, 2019·0 cites·23 claims
- 4753US2012141583A1Alcohol resistant dosage formsMANNION RICHARD O·Filed 2011·Application pending·0 cites
- 4848US5525355ALaxative compositionsEURO CELTIQUE SA·Filed 1994·Granted Jun 11, 1996·12 cites·14 claims
- 4946US5709851APharmaceutical iodine compositions with reduced irritancyEURO CELTIQUE SA·Filed 1994·Granted Jan 20, 1998·6 cites·20 claims
- 5043US9782359B2Opioid composition for treating skin lesionsOKSCHE ALEXANDER·Filed 2009·Granted Oct 10, 2017·0 cites·33 claims
Showing the top 50 of 55 patent records by PatentIndex Score.
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