Inventor · disambiguated record
Richard B. Greenwald
Also filed as: ADLER LEGAL REPRESENTATIVE SUS · GREENWALD RICHARD B
95 granted patents·6 pending applications·9,401 citations·filing 1974–2009
99Inventor score
Top patents by PatentIndex Score
101 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
- 0998US6303569B1Trialkyl-lock-facilitated polymeric prodrugs of amino-containing bioactive agentsENZON INC·Filed 1998·Granted Oct 16, 2001·131 cites·34 claims
- 1098US6153655ATerminally-branched polymeric linkers and polymeric conjugates containing the sameENZON INC·Filed 1998·Granted Nov 28, 2000·224 cites·17 claims
- 1198US6113906AWater-soluble non-antigenic polymer linkable to biologically active materialENZON INC·Filed 1998·Granted Sep 5, 2000·511 cites·20 claims
- 1298US5965119ATrialkyl-lock-facilitated polymeric prodrugs of amino-containing bioactive agentsENZON INC·Filed 1997·Granted Oct 12, 1999·130 cites·42 claims
- 1398US5919455ANon-antigenic branched polymer conjugatesENZON INC·Filed 1997·Granted Jul 6, 1999·490 cites·40 claims
- 1498US5880131AHigh molecular weight polymer-based prodrugsENZON INC·Filed 1995·Granted Mar 9, 1999·323 cites·44 claims
- 1598US5840900AHigh molecular weight polymer-based prodrugsENZON INC·Filed 1996·Granted Nov 24, 1998·322 cites·31 claims
- 1698US5738846AInterferon polymer conjugates and process for preparing the sameENZON INC·Filed 1995·Granted Apr 14, 1998·267 cites·46 claims
- 1798US5681567AMethod of preparing polyalkylene oxide carboxylic acidsENZON INC·Filed 1996·Granted Oct 28, 1997·273 cites·26 claims
- 1898US5605976AMethod of preparing polyalkylene oxide carboxylic acidsENZON INC·Filed 1995·Granted Feb 25, 1997·163 cites·23 claims
- 1998US5405877ACyclic imide thione activated polyalkylene oxidesENZON INC·Filed 1994·Granted Apr 11, 1995·154 cites·15 claims
- 2098US5349001ACyclic imide thione activated polyalkylene oxidesENZON INC·Filed 1993·Granted Sep 20, 1994·135 cites·10 claims
- 2198US5321095AAzlactone activated polyalkylene oxidesENZON INC·Filed 1993·Granted Jun 14, 1994·132 cites·9 claims
- 2298US4128425APhotographic developersPOLAROID CORP·Filed 1977·Granted Dec 5, 1978·86 cites·12 claims
- 2397US7087229B2Releasable polymeric conjugates based on aliphatic biodegradable linkersENZON PHARMACEUTICALS INC·Filed 2003·Granted Aug 8, 2006·126 cites·32 claims
- 2497US6608076B1Camptothecin derivatives and polymeric conjugates thereofENZON INC·Filed 2002·Granted Aug 19, 2003·100 cites·30 claims
- 2597US6395266B1Terminally-branched polymeric linkers and polymeric conjugates containing the sameENZON INC·Filed 1999·Granted May 28, 2002·170 cites·19 claims
- 2697US6180095B1Polymeric prodrugs of amino- and hydroxyl-containing bioactive agentsENZON INC·Filed 1998·Granted Jan 30, 2001·245 cites·56 claims
- 2797US5965566AHigh molecular weight polymer-based prodrugsENZON INC·Filed 1997·Granted Oct 12, 1999·219 cites·52 claims
- 2897US5730990ANon-antigenic amine derived polymers and polymer conjugatesENZON INC·Filed 1995·Granted Mar 24, 1998·134 cites·17 claims
- 2997US5643575ANon-antigenic branched polymer conjugatesENZON INC·Filed 1993·Granted Jul 1, 1997·1.2k cites·40 claims
- 3096US8618124B2Heterobifunctional polymeric bioconjugatesGREENWALD RICHARD B·Filed 2007·Granted Dec 31, 2013·85 cites·5 claims
- 3195US6566506B2Non-antigenic branched polymer conjugatesENZON INC·Filed 2000·Granted May 20, 2003·64 cites·9 claims
- 3295US6177087B1Non-antigenic amine derived polymers and polymer conjugatesENZON INC·Filed 1998·Granted Jan 23, 2001·150 cites·13 claims
- 3395US5756593AMethod of preparing polyalkyene oxide carboxylic acidsENZON INC·Filed 1997·Granted May 26, 1998·94 cites·24 claims
- 3495US5158766AStorage stable aqueous soluble germicidal film forming compositionECOLAB INC·Filed 1990·Granted Oct 27, 1992·85 cites·46 claims
- 3594US6111107AHigh yield method for stereoselective acylation of tertiary alcoholsENZON INC·Filed 1997·Granted Aug 29, 2000·60 cites·37 claims
- 3694US5902588ANon-antigenic amine derived polymers and polymer conjugatesENZON INC·Filed 1997·Granted May 11, 1999·166 cites·14 claims
- 3793US7122189B2Releasable polymeric conjugates based on aliphatic biodegradable linkersENZON INC·Filed 2002·Granted Oct 17, 2006·44 cites·28 claims
- 3893US6777387B2Terminally-branched polymeric linkers containing extension moieties and polymeric conjugates containing the sameENZON PHARMACEUTICALS INC·Filed 2001·Granted Aug 17, 2004·45 cites·18 claims
- 3993US6638499B2Terminally-branched polymeric linkers and polymeric conjugates containing the sameENZON INC·Filed 2002·Granted Oct 28, 2003·44 cites·14 claims
- 4093US6624142B2Trimethyl lock based tetrapartate prodrugsENZON INC·Filed 2001·Granted Sep 23, 2003·58 cites·27 claims
- 4193US4126459AThioether substituted silver halide solventsPOLAROID CORP·Filed 1976·Granted Nov 21, 1978·27 cites·113 claims
- 4292US6720306B2Tetrapartate prodrugsENZON PHARMACEUTICALS INC·Filed 2001·Granted Apr 13, 2004·54 cites·35 claims
- 4391US8168605B2Polymeric oligonucleotide prodrugsZHAO HONG·Filed 2009·Granted May 1, 2012·20 cites·22 claims
- 4491US7365127B2Process for the preparation of polymer conjugatesENZON PHARMACEUTICALS INC·Filed 2005·Granted Apr 29, 2008·10 cites·30 claims
- 4591US6756037B2Polymer conjugates of biologically active agents and extension moieties for facilitating conjugation of biologically active agents to polymeric terminal groupsENZON INC·Filed 2001·Granted Jun 29, 2004·38 cites·32 claims
- 4691US6649778B1Methods of preparing amino acid taxane derivatives and polymer conjugates containing the sameENZON INC·Filed 2002·Granted Nov 18, 2003·31 cites·23 claims
- 4791US5981709Aα-interferon-polymer-conjugates having enhanced biological activity and methods of preparing the sameENZON INC·Filed 1997·Granted Nov 9, 1999·107 cites·23 claims
- 4891US3956363ASubstituted indenyl acetic acidsMERCK & CO INC·Filed 1974·Granted May 11, 1976·24 cites·5 claims
- 4990US6251382B1Biodegradable high molecular weight polymeric linkers and their conjugatesENZON INC·Filed 1999·Granted Jun 26, 2001·102 cites·13 claims
- 5090US6013283AAlkyl or olefinic endcapped polyalkylene oxide solubilizerENZON INC·Filed 1997·Granted Jan 11, 2000·48 cites·11 claims
Showing the top 50 of 101 patent records by PatentIndex Score.
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