Assignee
ENZON PHARMACEUTICALS INC
US·36 granted patents·21 pending applications·689 citations·filing 1999–2012
Top patents by PatentIndex Score
57 records- 0197US7087229B2Releasable polymeric conjugates based on aliphatic biodegradable linkersENZON PHARMACEUTICALS INC·Filed 2003·Granted Aug 8, 2006·126 cites·32 claims
- 0296US7737264B2Oligomeric compounds for the modulation HIF-1α expressionENZON PHARMACEUTICALS INC·Filed 2003·Granted Jun 15, 2010·129 cites·35 claims
- 0393US7713738B2Oligomeric compounds for the modulation of survivin expressionENZON PHARMACEUTICALS INC·Filed 2004·Granted May 11, 2010·118 cites·9 claims
- 0493US6777387B2Terminally-branched polymeric linkers containing extension moieties and polymeric conjugates containing the sameENZON PHARMACEUTICALS INC·Filed 2001·Granted Aug 17, 2004·45 cites·18 claims
- 0592US7462627B2Multi-arm polymeric conjugates of 7-ethyl-10-hydroxycamptothecin for treatment of breast, colorectal, pancreatic, ovarian and lung cancersENZON PHARMACEUTICALS INC·Filed 2007·Granted Dec 9, 2008·13 cites·34 claims
- 0692US6720306B2Tetrapartate prodrugsENZON PHARMACEUTICALS INC·Filed 2001·Granted Apr 13, 2004·54 cites·35 claims
- 0791US7365127B2Process for the preparation of polymer conjugatesENZON PHARMACEUTICALS INC·Filed 2005·Granted Apr 29, 2008·10 cites·30 claims
- 0889US7723351B2Multi-arm polymeric conjugates of 7-ethyl-10-hydroxycamptothecin for treatment of breast, colorectal, pancreatic, ovarian and lung cancersENZON PHARMACEUTICALS INC·Filed 2008·Granted May 25, 2010·7 cites·23 claims
- 0989US7671067B2Treatment of non-hodgkin's lymphomas with multi-arm polymeric conjugates of 7-ethyl-10-hydroxycamtothecinENZON PHARMACEUTICALS INC·Filed 2007·Granted Mar 2, 2010·6 cites·20 claims
- 1089US7595304B2Polymeric oligonucleotide prodrugsENZON PHARMACEUTICALS INC·Filed 2004·Granted Sep 29, 2009·30 cites·28 claims
- 1189US7273845B2Polymeric prodrugs of vancomycinENZON PHARMACEUTICALS INC·Filed 2003·Granted Sep 25, 2007·21 cites·14 claims
- 1288US8367065B2Targeted polymeric prodrugs containing multifunctional linkersENZON PHARMACEUTICALS INC·Filed 2009·Granted Feb 5, 2013·17 cites·19 claims
- 1388US8048891B2Treatment of non-hodgkin's lymphomas with multi-arm polymeric conjugates of 7-ethyl-10-hydroxycamptothecinENZON PHARMACEUTICALS INC·Filed 2010·Granted Nov 1, 2011·5 cites·20 claims
- 1488US7569657B2Methods of preparing polymers having terminal amine groups using protected amine saltsENZON PHARMACEUTICALS INC·Filed 2006·Granted Aug 4, 2009·9 cites·23 claims
- 1587US7863437B2RNA antagonist compounds for the modulation of PIK3CA expressionENZON PHARMACEUTICALS INC·Filed 2008·Granted Jan 4, 2011·6 cites·5 claims
- 1686US6764853B2Method for targeted delivery of nucleic acidsENZON PHARMACEUTICALS INC·Filed 2001·Granted Jul 20, 2004·9 cites·16 claims
- 1785US7332164B2Heterobifunctional polymeric bioconjugatesENZON PHARMACEUTICALS INC·Filed 2003·Granted Feb 19, 2008·15 cites·13 claims
- 1884US7868131B2Methods of preparing polymers having terminal amine groupsENZON PHARMACEUTICALS INC·Filed 2006·Granted Jan 11, 2011·5 cites·24 claims
- 1983US7928095B2Treatment of resistant or refractory cancers with multi-arm polymeric conjugates of 7-ethyl-10-hydroxycamptothecinENZON PHARMACEUTICALS INC·Filed 2008·Granted Apr 19, 2011·5 cites·29 claims
- 2081US8785617B2Oligomeric compounds for the modulation of HIF-1A expressionENZON PHARMACEUTICALS INC·Filed 2012·Granted Jul 22, 2014·4 cites·19 claims
- 2181US7462687B2Prodrugs of vancomycin with hydrolysis resistant polymer linkagesENZON PHARMACEUTICALS INC·Filed 2003·Granted Dec 9, 2008·9 cites·28 claims
- 2280US7413738B2Releasable polymeric conjugates based on biodegradable linkersENZON PHARMACEUTICALS INC·Filed 2004·Granted Aug 19, 2008·10 cites·25 claims
- 2379US7301003B2Method of preparing polymers having terminal amine groupsENZON PHARMACEUTICALS INC·Filed 2005·Granted Nov 27, 2007·3 cites·22 claims
- 2478US7939507B2Potent LNA oligonucleotides for the inhibition of HIF-1a expressionENZON PHARMACEUTICALS INC·Filed 2009·Granted May 10, 2011·2 cites·5 claims
- 2574US7989429B2LNA antagonists targeting the androgen receptorENZON PHARMACEUTICALS INC·Filed 2010·Granted Aug 2, 2011·2 cites·10 claims
- 2674US7915401B2Compounds for the modulation of beta-catenin expressionENZON PHARMACEUTICALS INC·Filed 2009·Granted Mar 29, 2011·1 cites·5 claims
- 2773US7846911B2Oligomeric compounds for the modulation of HIF-1alpha expressionENZON PHARMACEUTICALS INC·Filed 2009·Granted Dec 7, 2010·1 cites·9 claims
- 2873US7033583B2Polymeric thiol-linked prodrugsENZON PHARMACEUTICALS INC·Filed 2002·Granted Apr 25, 2006·10 cites·19 claims
- 2972US7642072B2Optimized interferon-beta geneENZON PHARMACEUTICALS INC·Filed 2005·Granted Jan 5, 2010·3 cites·11 claims
- 3064US2010056543A1Posaconazole polymer conjugates and methods of treatment using posaconazole and polymer conjugates thereofENZON PHARMACEUTICALS INC·Filed 2009·Application pending·0 cites
- 3161US7625898B2Posaconazole polymer conjugates and methods of treatment using posaconazole and polymer conjugates thereofENZON PHARMACEUTICALS INC·Filed 2008·Granted Dec 1, 2009·0 cites·10 claims
- 3261US7601798B2Methods of preparing polymers having terminal amine groups using protected amine saltsENZON PHARMACEUTICALS INC·Filed 2005·Granted Oct 13, 2009·0 cites·22 claims
- 3361US2011223257A1Releasable fusogenic lipids for nucleic acids delivery systemsENZON PHARMACEUTICALS INC·Filed 2009·Application pending·0 cites
- 3461US2009017004A1Polymeric drug delivery systems containing an aromatic allylic acidENZON PHARMACEUTICALS INC·Filed 2008·Application pending·0 cites
- 3559US2011230420A1Releasable conjugates for nucleic acids delivery systemsENZON PHARMACEUTICALS INC·Filed 2009·Application pending·0 cites
- 3659US2009221471A1Prodrugs of vancomycin with hydrolysis resistant polymer linkagesENZON PHARMACEUTICALS INC·Filed 2008·Application pending·0 cites
- 3758US8357670B2Oligomeric compounds for the modulation of HIF-1A expressionENZON PHARMACEUTICALS INC·Filed 2012·Granted Jan 22, 2013·0 cites·9 claims
- 3856US2011105413A1Polymeric systems containing intracellular releasable disulfide linker for the delivery of oligonucleotidesENZON PHARMACEUTICALS INC·Filed 2009·Application pending·0 cites
- 3954US8039446B2Compounds for the modulation of beta-catenin expressionENZON PHARMACEUTICALS INC·Filed 2010·Granted Oct 18, 2011·0 cites·11 claims
- 4054US7897647B2Releasable polymeric conjugates based on aliphatic biodegradable linkersENZON PHARMACEUTICALS INC·Filed 2006·Granted Mar 1, 2011·0 cites·44 claims
- 4153US2010203066A1Polymeric linkers containing pyridyl disulfide moietiesENZON PHARMACEUTICALS INC·Filed 2007·Application pending·0 cites
- 4253US2009016985A1Polymeric drug delivery system containing a multi-substituted aromatic moietyENZON PHARMACEUTICALS INC·Filed 2008·Application pending·0 cites
- 4352US2011124709A1Rna antagonists targeting gli2ENZON PHARMACEUTICALS INC·Filed 2009·Application pending·0 cites
- 4451US7989554B2Reacting polyalkylene oxide with base, tertiary alkyl haloacetate, then acid to prepare polyalkylene oxide carboxylic acidENZON PHARMACEUTICALS INC·Filed 2006·Granted Aug 2, 2011·0 cites·27 claims
- 4551US2010056555A1Method of treating ras associated cancerENZON PHARMACEUTICALS INC·Filed 2009·Application pending·0 cites
- 4651US2011111044A1Nanoparticle compositions for nucleic acids delivery systemENZON PHARMACEUTICALS INC·Filed 2009·Application pending·0 cites
- 4750US6689762B1Composition and methods for treatment of HIV infectionENZON PHARMACEUTICALS INC·Filed 1999·Granted Feb 10, 2004·14 cites·12 claims
- 4850US2011229581A1Releasable cationic lipids for nucleic acids delivery systemsENZON PHARMACEUTICALS INC·Filed 2009·Application pending·0 cites
- 4948US2010279408A1Polymeric short interfering rna conjugatesENZON PHARMACEUTICALS INC·Filed 2007·Application pending·0 cites
- 5047US2009202573A1Polymeric conjugates containing positively-charged moietiesENZON PHARMACEUTICALS INC·Filed 2009·Application pending·0 cites
Showing the top 50 of 57 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when ENZON PHARMACEUTICALS INC files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →