Inventor
GREENWALD RICHARD B
US93 patents
⚠️ This page may combine multiple inventors who share the name “GREENWALD RICHARD B”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ENZON INC
42 patentsUS6395266B1May 28, 2002
Terminally-branched polymeric linkers and polymeric conjugates containing the same
ENZON INC170 citations99
US6303569B1Oct 16, 2001
Trialkyl-lock-facilitated polymeric prodrugs of amino-containing bioactive agents
ENZON INC131 citations99
US6194580B1Feb 27, 2001
High yield method for stereoselective acylation of tertiary alcohols
ENZON INC128 citations99
US6180095B1Jan 30, 2001
Polymeric prodrugs of amino- and hydroxyl-containing bioactive agents
ENZON INC245 citations99
US6177087B1Jan 23, 2001
Non-antigenic amine derived polymers and polymer conjugates
ENZON INC150 citations99
US6153655ANov 28, 2000
Terminally-branched polymeric linkers and polymeric conjugates containing the same
ENZON INC224 citations99
US6127355AOct 3, 2000
High molecular weight polymer-based prodrugs
ENZON INC247 citations99
US6113906ASep 5, 2000
Water-soluble non-antigenic polymer linkable to biologically active material
ENZON INC511 citations99
US6011042AJan 4, 2000
Acyl polymeric derivatives of aromatic hydroxyl-containing compounds
ENZON INC233 citations99
US5965119AOct 12, 1999
Trialkyl-lock-facilitated polymeric prodrugs of amino-containing bioactive agents
ENZON INC130 citations99
US5965566AOct 12, 1999
High molecular weight polymer-based prodrugs
ENZON INC219 citations99
US5919455AJul 6, 1999
Non-antigenic branched polymer conjugates
ENZON INC490 citations99
US5902588AMay 11, 1999
Non-antigenic amine derived polymers and polymer conjugates
ENZON INC166 citations99
US5880131AMar 9, 1999
High molecular weight polymer-based prodrugs
ENZON INC323 citations99
US5840900ANov 24, 1998
High molecular weight polymer-based prodrugs
ENZON INC322 citations99
US5824701AOct 20, 1998
Taxane-based prodrugs
ENZON INC254 citations99
US5738846AApr 14, 1998
Interferon polymer conjugates and process for preparing the same
ENZON INC267 citations99
US5730990AMar 24, 1998
Non-antigenic amine derived polymers and polymer conjugates
ENZON INC134 citations99
US5681567AOct 28, 1997
Method of preparing polyalkylene oxide carboxylic acids
ENZON INC273 citations99
US5643575AJul 1, 1997
Non-antigenic branched polymer conjugates
ENZON INC1,198 citations99
US5637749AJun 10, 1997
Aryl imidate activated polyalkylene oxides
ENZON INC220 citations99
US5614549AMar 25, 1997
High molecular weight polymer-based prodrugs
ENZON INC313 citations99
US5605976AFeb 25, 1997
Method of preparing polyalkylene oxide carboxylic acids
ENZON INC163 citations99
US5567422AOct 22, 1996
Azlactone activated polyalkylene oxides conjugated to biologically active nucleophiles
ENZON INC279 citations99
US5405877AApr 11, 1995
Cyclic imide thione activated polyalkylene oxides
ENZON INC154 citations99
US5349001ASep 20, 1994
Cyclic imide thione activated polyalkylene oxides
ENZON INC135 citations99
US5321095AJun 14, 1994
Azlactone activated polyalkylene oxides
ENZON INC132 citations99
US5298643AMar 29, 1994
Aryl imidate activated polyalkylene oxides
ENZON INC179 citations99
US6608076B1Aug 19, 2003
Camptothecin derivatives and polymeric conjugates thereof
ENZON INC100 citations98
US6251382B1Jun 26, 2001
Biodegradable high molecular weight polymeric linkers and their conjugates
ENZON INC102 citations98
US5981709ANov 9, 1999
α-interferon-polymer-conjugates having enhanced biological activity and methods of preparing the same
ENZON INC107 citations98
US5756593AMay 26, 1998
Method of preparing polyalkyene oxide carboxylic acids
ENZON INC94 citations98
US6638499B2Oct 28, 2003
Terminally-branched polymeric linkers and polymeric conjugates containing the same
ENZON INC44 citations96
US6624142B2Sep 23, 2003
Trimethyl lock based tetrapartate prodrugs
ENZON INC58 citations96
US6566506B2May 20, 2003
Non-antigenic branched polymer conjugates
ENZON INC64 citations96
US6111107AAug 29, 2000
High yield method for stereoselective acylation of tertiary alcohols
ENZON INC60 citations96
US5622986AApr 22, 1997
2'-and/or 7-substituted taxanes
ENZON INC50 citations96
US6013283AJan 11, 2000
Alkyl or olefinic endcapped polyalkylene oxide solubilizer
ENZON INC48 citations94
US5686110ANov 11, 1997
Water soluble complex of an alkyl or olefinic end capped polyalkylene oxide and a water insoluble substance
ENZON INC76 citations94
US7122189B2Oct 17, 2006
Releasable polymeric conjugates based on aliphatic biodegradable linkers
ENZON INC44 citations93
US6649778B1Nov 18, 2003
Methods of preparing amino acid taxane derivatives and polymer conjugates containing the same
ENZON INC31 citations93
US5547981AAug 20, 1996
Taxol-7-carbazates
ENZON INC38 citations93
ENZON PHARMACEUTICALS INC
4 patentsUS7087229B2Aug 8, 2006
Releasable polymeric conjugates based on aliphatic biodegradable linkers
ENZON PHARMACEUTICALS INC126 citations98
US7595304B2Sep 29, 2009
Polymeric oligonucleotide prodrugs
ENZON PHARMACEUTICALS INC30 citations93
US7273845B2Sep 25, 2007
Polymeric prodrugs of vancomycin
ENZON PHARMACEUTICALS INC21 citations93
US6720306B2Apr 13, 2004
Tetrapartate prodrugs
ENZON PHARMACEUTICALS INC54 citations93
ECOLAB INC
2 patentsPOLAROID CORP
1 patentGREENWALD RICHARD B
1 patentShowing the top 50 of 93 patents by PatentIndex Score.