Inventor · disambiguated record
Udo Hahn
Also filed as: HAHN UDO
5 granted patents·8 pending applications·789 citations·filing 1994–2018
88Inventor score
Files withEURO CELTIQUE SA7PURDUE PHARMA LP3MANNION RICHARD O1PRATER DEREK ALLAN1PURDUE PHARMA PRODUCTS L P1
Top patents by PatentIndex Score
13 records- 0197US6326027B1Controlled release formulationEURO CELTIQUE SA·Filed 1995·Granted Dec 4, 2001·180 cites·46 claims
- 0297US6254887B1Controlled release tramadolEURO CELTIQUE SA·Filed 1996·Granted Jul 3, 2001·219 cites·33 claims
- 0397US5591452AControlled release formulationEURO CELTIQUE SA·Filed 1994·Granted Jan 7, 1997·260 cites·39 claims
- 0496US7074430B2Controlled release tramadol tramadol formulationEURO CELTIQUE SA·Filed 2001·Granted Jul 11, 2006·95 cites·17 claims
- 0589US6806294B2Opioid analgesicEURO CELTIQUE SA·Filed 2002·Granted Oct 19, 2004·35 cites·12 claims
- 0665US2009117191A1Controlled release tramadol formulationsPURDUE PHARMA PRODUCTS L P·Filed 2008·Application pending·0 cites
- 0760US2006269603A1Controlled release tramadol formulationsEURO CELTIQUE SA·Filed 2006·Application pending·0 cites
- 0859US2018153812A1Alcohol resistant dosage formsPURDUE PHARMA LP·Filed 2018·Application pending·0 cites
- 0956US2017079923A1Alcohol resistant dosage formsPURDUE PHARMA LP·Filed 2016·Application pending·0 cites
- 1053US2012141583A1Alcohol resistant dosage formsMANNION RICHARD O·Filed 2011·Application pending·0 cites
- 1141US2007259045A1Alcohol Resistant Dosage FormsEURO CELTIQUE SA·Filed 2006·Application pending·0 cites
- 1236US2016095853A1Use of binders for manufacturing storage stable formulationsPURDUE PHARMA LP·Filed 2015·Application pending·0 cites
- 1331US2013245054A1Use of binders for manufacturing storage stable formulationsPRATER DEREK ALLAN·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →