Assignee
ENZON INC
US·96 granted patents·15,124 citations·filing 1990–2004
Top patents by PatentIndex Score
96 records- 0199US6194580B1High yield method for stereoselective acylation of tertiary alcoholsENZON INC·Filed 2000·Granted Feb 27, 2001·128 cites·28 claims
- 0299US6127355AHigh molecular weight polymer-based prodrugsENZON INC·Filed 1999·Granted Oct 3, 2000·247 cites·31 claims
- 0399US6011042AAcyl polymeric derivatives of aromatic hydroxyl-containing compoundsENZON INC·Filed 1997·Granted Jan 4, 2000·233 cites·42 claims
- 0499US5824701ATaxane-based prodrugsENZON INC·Filed 1997·Granted Oct 20, 1998·254 cites·28 claims
- 0599US5637749AAryl imidate activated polyalkylene oxidesENZON INC·Filed 1995·Granted Jun 10, 1997·220 cites·20 claims
- 0699US5614549AHigh molecular weight polymer-based prodrugsENZON INC·Filed 1995·Granted Mar 25, 1997·313 cites·10 claims
- 0799US5567422AAzlactone activated polyalkylene oxides conjugated to biologically active nucleophilesENZON INC·Filed 1994·Granted Oct 22, 1996·279 cites·11 claims
- 0899US5298643AAryl imidate activated polyalkylene oxidesENZON INC·Filed 1992·Granted Mar 29, 1994·179 cites·8 claims
- 0999US5219564APoly(alkylene oxide) amino acid copolymers and drug carriers and charged copolymers based thereonENZON INC·Filed 1991·Granted Jun 15, 1993·608 cites·20 claims
- 1098US6743896B2Single-chain antigen-binding proteins capable of glycosylation, production and uses thereofENZON INC·Filed 2001·Granted Jun 1, 2004·164 cites·36 claims
- 1198US6303569B1Trialkyl-lock-facilitated polymeric prodrugs of amino-containing bioactive agentsENZON INC·Filed 1998·Granted Oct 16, 2001·131 cites·34 claims
- 1298US6153655ATerminally-branched polymeric linkers and polymeric conjugates containing the sameENZON INC·Filed 1998·Granted Nov 28, 2000·224 cites·17 claims
- 1398US6113906AWater-soluble non-antigenic polymer linkable to biologically active materialENZON INC·Filed 1998·Granted Sep 5, 2000·511 cites·20 claims
- 1498US5965119ATrialkyl-lock-facilitated polymeric prodrugs of amino-containing bioactive agentsENZON INC·Filed 1997·Granted Oct 12, 1999·130 cites·42 claims
- 1598US5919455ANon-antigenic branched polymer conjugatesENZON INC·Filed 1997·Granted Jul 6, 1999·490 cites·40 claims
- 1698US5880131AHigh molecular weight polymer-based prodrugsENZON INC·Filed 1995·Granted Mar 9, 1999·323 cites·44 claims
- 1798US5856456ALinker for linked fusion polypeptidesENZON INC·Filed 1994·Granted Jan 5, 1999·323 cites·86 claims
- 1898US5840900AHigh molecular weight polymer-based prodrugsENZON INC·Filed 1996·Granted Nov 24, 1998·322 cites·31 claims
- 1998US5738846AInterferon polymer conjugates and process for preparing the sameENZON INC·Filed 1995·Granted Apr 14, 1998·267 cites·46 claims
- 2098US5681567AMethod of preparing polyalkylene oxide carboxylic acidsENZON INC·Filed 1996·Granted Oct 28, 1997·273 cites·26 claims
- 2198US5605976AMethod of preparing polyalkylene oxide carboxylic acidsENZON INC·Filed 1995·Granted Feb 25, 1997·163 cites·23 claims
- 2298US5455027APoly(alkylene oxide) amino acid copolymers and drug carriers and charged copolymers based thereonENZON INC·Filed 1993·Granted Oct 3, 1995·161 cites·2 claims
- 2398US5405877ACyclic imide thione activated polyalkylene oxidesENZON INC·Filed 1994·Granted Apr 11, 1995·154 cites·15 claims
- 2498US5349001ACyclic imide thione activated polyalkylene oxidesENZON INC·Filed 1993·Granted Sep 20, 1994·135 cites·10 claims
- 2598US5321095AAzlactone activated polyalkylene oxidesENZON INC·Filed 1993·Granted Jun 14, 1994·132 cites·9 claims
- 2697US6608076B1Camptothecin derivatives and polymeric conjugates thereofENZON INC·Filed 2002·Granted Aug 19, 2003·100 cites·30 claims
- 2797US6395266B1Terminally-branched polymeric linkers and polymeric conjugates containing the sameENZON INC·Filed 1999·Granted May 28, 2002·170 cites·19 claims
- 2897US6180095B1Polymeric prodrugs of amino- and hydroxyl-containing bioactive agentsENZON INC·Filed 1998·Granted Jan 30, 2001·245 cites·56 claims
- 2997US5965566AHigh molecular weight polymer-based prodrugsENZON INC·Filed 1997·Granted Oct 12, 1999·219 cites·52 claims
- 3097US5808096AProcess for preparing active carbonates of polyalkylene oxides for modification of polypeptidesENZON INC·Filed 1997·Granted Sep 15, 1998·306 cites·14 claims
- 3197US5730990ANon-antigenic amine derived polymers and polymer conjugatesENZON INC·Filed 1995·Granted Mar 24, 1998·134 cites·17 claims
- 3297US5643575ANon-antigenic branched polymer conjugatesENZON INC·Filed 1993·Granted Jul 1, 1997·1.2k cites·40 claims
- 3397US5612460AActive carbonates of polyalkylene oxides for modification of polypeptidesENZON INC·Filed 1994·Granted Mar 18, 1997·607 cites·15 claims
- 3497US5324844AActive carbonates of polyalkylene oxides for modification of polypeptidesENZON INC·Filed 1992·Granted Jun 28, 1994·473 cites·7 claims
- 3597US5122614AActive carbonates of polyalkylene oxides for modification of polypeptidesENZON INC·Filed 1990·Granted Jun 16, 1992·917 cites·6 claims
- 3696US6872393B2Polyalkylene oxide-modified single chain polypeptidesENZON INC·Filed 2001·Granted Mar 29, 2005·53 cites·17 claims
- 3796US6743908B2Single-chain antigen-binding proteins capable of glycosylation, production and uses thereofENZON INC·Filed 2001·Granted Jun 1, 2004·55 cites·67 claims
- 3896US6333396B1Method for targeted delivery of nucleic acidsENZON INC·Filed 1999·Granted Dec 25, 2001·141 cites·22 claims
- 3996US5767260AAntigen-binding fusion proteinsENZON INC·Filed 1995·Granted Jun 16, 1998·155 cites·8 claims
- 4096US5711944AInterferon polymer conjugatesENZON INC·Filed 1994·Granted Jan 27, 1998·274 cites·28 claims
- 4195US6566506B2Non-antigenic branched polymer conjugatesENZON INC·Filed 2000·Granted May 20, 2003·64 cites·9 claims
- 4295US6177087B1Non-antigenic amine derived polymers and polymer conjugatesENZON INC·Filed 1998·Granted Jan 23, 2001·150 cites·13 claims
- 4395US5985263ASubstantially pure histidine-linked protein polymer conjugatesENZON INC·Filed 1997·Granted Nov 16, 1999·287 cites·39 claims
- 4495US5763733AAntigen-binding fusion proteinsENZON INC·Filed 1994·Granted Jun 9, 1998·158 cites·29 claims
- 4595US5756593AMethod of preparing polyalkyene oxide carboxylic acidsENZON INC·Filed 1997·Granted May 26, 1998·94 cites·24 claims
- 4694US6111107AHigh yield method for stereoselective acylation of tertiary alcoholsENZON INC·Filed 1997·Granted Aug 29, 2000·60 cites·37 claims
- 4794US6103889ANucleic acid molecules encoding single-chain antigen-binding proteinsENZON INC·Filed 1998·Granted Aug 15, 2000·87 cites·21 claims
- 4894US5990275ALinker and linked fusion polypeptidesENZON INC·Filed 1997·Granted Nov 23, 1999·105 cites·102 claims
- 4994US5951974AInterferon polymer conjugatesENZON INC·Filed 1997·Granted Sep 14, 1999·210 cites·50 claims
- 5094US5902588ANon-antigenic amine derived polymers and polymer conjugatesENZON INC·Filed 1997·Granted May 11, 1999·166 cites·14 claims
Showing the top 50 of 96 patent records by PatentIndex Score.
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