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Piscataway, NJ, US
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Patents Grants
last 30 patents
Information
Patent Grant
Heterobifunctional polymeric bioconjugates
Patent number
8,618,124
Issue date
Dec 31, 2013
Belrose Pharma, Inc.
Richard B. Greenwald
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Targeted polymeric prodrugs containing multifunctional linkers
Patent number
8,367,065
Issue date
Feb 5, 2013
Enzon Pharmaceuticals, Inc.
Hong Zhao
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Multi-arm polymeric conjugates of 7-ethyl-10-hydroxycamptothecin fo...
Patent number
8,299,089
Issue date
Oct 30, 2012
Enzon Pharmaceuticals, Inc.
Hong Zhao
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Polyalkylene oxides having hindered ester-based biodegradable linkers
Patent number
8,268,318
Issue date
Sep 18, 2012
Enzon Pharmaceuticals, Inc.
Hong Zhao
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Releasable polymeric conjugates based on aliphatic biodegradable li...
Patent number
8,192,743
Issue date
Jun 5, 2012
Enzon Pharmaceuticals, Inc.
Hong Zhao
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Polymeric oligonucleotide prodrugs
Patent number
8,168,605
Issue date
May 1, 2012
Enzon Pharmaceuticals, Inc.
Hong Zhao
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Methods of preparing activated polymers having alpha nitrogen groups
Patent number
8,133,707
Issue date
Mar 13, 2012
Enzon Pharmaceuticals, Inc.
Hong Zhao
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Hindered ester-based biodegradable linkers for oligonucleotide deli...
Patent number
8,110,559
Issue date
Feb 7, 2012
Enzon Pharmaceuticals, Inc.
Hong Zhao
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Reacting polyalkylene oxide with base, tertiary alkyl haloacetate,...
Patent number
7,989,554
Issue date
Aug 2, 2011
Enzon Pharmaceuticals, Inc.
Hong Zhao
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Treatment of resistant or refractory cancers with multi-arm polymer...
Patent number
7,928,095
Issue date
Apr 19, 2011
Enzon Pharmaceuticals, Inc.
Hong Zhao
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Releasable polymeric conjugates based on aliphatic biodegradable li...
Patent number
7,897,647
Issue date
Mar 1, 2011
Enzon Pharmaceuticals, Inc.
Hong Zhao
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Methods of preparing polymers having terminal amine groups
Patent number
7,868,131
Issue date
Jan 11, 2011
Enzon Pharmaceuticals, Inc.
Hong Zhao
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Multi-arm polymeric conjugates of 7-ethyl-10-hydroxycamptothecin fo...
Patent number
7,723,351
Issue date
May 25, 2010
Enzon Pharmaceuticals, Inc.
Hong Zhao
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Posaconazole polymer conjugates and methods of treatment using posa...
Patent number
7,625,898
Issue date
Dec 1, 2009
Enzon Pharmaceuticals, Inc.
Hong Zhao
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Methods of preparing polymers having terminal amine groups using pr...
Patent number
7,601,798
Issue date
Oct 13, 2009
Enzon Pharmaceuticals, Inc.
Hong Zhao
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymeric oligonucleotide prodrugs
Patent number
7,595,304
Issue date
Sep 29, 2009
Enzon Pharmaceuticals, Inc.
Hong Zhao
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Methods of preparing polymers having terminal amine groups using pr...
Patent number
7,569,657
Issue date
Aug 4, 2009
Enzon Pharmaceuticals, Inc.
Hong Zhao
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Prodrugs of vancomycin with hydrolysis resistant polymer linkages
Patent number
7,462,687
Issue date
Dec 9, 2008
Enzon Pharmaceuticals, Inc.
Richard B. Greenwald
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Multi-arm polymeric conjugates of 7-ethyl-10-hydroxycamptothecin fo...
Patent number
7,462,627
Issue date
Dec 9, 2008
Enzon Pharmaceuticals, Inc.
Hong Zhao
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Releasable polymeric conjugates based on biodegradable linkers
Patent number
7,413,738
Issue date
Aug 19, 2008
Enzon Pharmaceuticals, Inc.
Hong Zhao
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Polymeric acyl derivatives of indoles
Patent number
7,393,953
Issue date
Jul 1, 2008
Enzon, Inc.
Hong Zhao
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of polymer conjugates
Patent number
7,365,127
Issue date
Apr 29, 2008
Enzon Pharmaceuticals, Inc.
Dechun Wu
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Heterobifunctional polymeric bioconjugates
Patent number
7,332,164
Issue date
Feb 19, 2008
Enzon Pharmaceuticals, Inc.
Richard B. Greenwald
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Method of preparing polymers having terminal amine groups
Patent number
7,301,003
Issue date
Nov 27, 2007
Enzon Pharmaceuticals, Inc.
Hong Zhao
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymeric prodrugs of vancomycin
Patent number
7,273,845
Issue date
Sep 25, 2007
Enzon Pharmaceuticals, Inc.
Hong Zhao
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Releasable polymeric conjugates based on aliphatic biodegradable li...
Patent number
7,122,189
Issue date
Oct 17, 2006
Enzon, Inc.
Hong Zhao
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Releasable polymeric conjugates based on aliphatic biodegradable li...
Patent number
7,087,229
Issue date
Aug 8, 2006
Enzon Pharmaceuticals, Inc.
Hong Zhao
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Biodegradable high molecular weight polymeric linkers and their con...
Patent number
6,824,766
Issue date
Nov 30, 2004
Enzon, Inc.
Richard B. Greenwald
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Tetrapartate prodrugs
Patent number
6,720,306
Issue date
Apr 13, 2004
Enzon Pharmaceuticals, Inc.
Richard B. Greenwald
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Methods of preparing amino acid taxane derivatives and polymer conj...
Patent number
6,649,778
Issue date
Nov 18, 2003
Enzon, Inc.
Hong Zhao
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
POLYMERIC CONJUGATES OF C-1 INHIBITORS
Publication number
20150224205
Publication date
Aug 13, 2015
Belrose Pharma, Inc.
Hong Zhao
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
POLYMERIC CONJUGATES OF C-1 INHIBITORS
Publication number
20140315826
Publication date
Oct 23, 2014
Belrose Pharma, Inc.
Hong Zhao
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
POLYMERIC CONJUGATES OF C1-INHIBITORS
Publication number
20140309175
Publication date
Oct 16, 2014
Hong Zhao
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
POLYMERIC CONJUGATES AND METHODS OF PREPARING THE SAME
Publication number
20140039158
Publication date
Feb 6, 2014
Belrose Pharma, Inc.
Hong Zhao
C07 - ORGANIC CHEMISTRY
Information
Patent Application
POLYMERIC CONJUGATES OF ADENINE NUCLEOSIDE ANALOGS
Publication number
20130018010
Publication date
Jan 17, 2013
ENZON PHARMACEUTICALS, INC.
Hong Zhao
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
POLYMERIC CONJUGATES OF AROMATIC AMINE CONTAINING COMPOUNDS INCLUDI...
Publication number
20120289571
Publication date
Nov 15, 2012
ENZON PHARMACEUTICALS, INC.
Hong Zhao
C07 - ORGANIC CHEMISTRY
Information
Patent Application
BRANCHED CATIONIC LIPIDS FOR NUCLEIC ACIDS DELIVERY SYSTEM
Publication number
20110305769
Publication date
Dec 15, 2011
ENZON PHARMACEUTICALS, INC.
Hong Zhao
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
RELEASABLE POLYMERIC LIPIDS FOR NUCLEIC ACIDS DELIVERY SYSTEM
Publication number
20110305770
Publication date
Dec 15, 2011
ENZON PHARMACEUTICALS, INC.
Hong Zhao
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
RELEASABLE CONJUGATES FOR NUCLEIC ACIDS DELIVERY SYSTEMS
Publication number
20110230420
Publication date
Sep 22, 2011
ENZON PHARMACEUTICALS, INC.
Hong Zhao
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
RELEASABLE CATIONIC LIPIDS FOR NUCLEIC ACIDS DELIVERY SYSTEMS
Publication number
20110229581
Publication date
Sep 22, 2011
ENZON PHARMACEUTICALS, INC.
Hong Zhao
C07 - ORGANIC CHEMISTRY
Information
Patent Application
RELEASABLE FUSOGENIC LIPIDS FOR NUCLEIC ACIDS DELIVERY SYSTEMS
Publication number
20110223257
Publication date
Sep 15, 2011
ENZON PHARMACEUTICALS, INC.
Hong Zhao
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
TREATMENT OF RESISTANT OR REFRACTORY CANCERS WITH MULTI-ARM POLYMER...
Publication number
20110195990
Publication date
Aug 11, 2011
ENZON PHARMACEUTICALS, INC.
Hong ZHAO
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
NANOPARTICLE COMPOSITIONS FOR NUCLEIC ACIDS DELIVERY SYSTEM
Publication number
20110111044
Publication date
May 12, 2011
ENZON PHARMACEUTICALS, INC.
Hong Zhao
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
POLYMERIC SYSTEMS CONTAINING INTRACELLULAR RELEASABLE DISULFIDE LIN...
Publication number
20110105413
Publication date
May 5, 2011
ENZON PHARMACEUTICALS, INC.
Hong Zhao
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
POLYMERIC SHORT INTERFERING RNA CONJUGATES
Publication number
20100279408
Publication date
Nov 4, 2010
ENZON PHARMACEUTICALS, INC.
Hong Zhao
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
TARGETED POLYMERIC PRODRUGS CONTAINING MULTIFUNCTIONAL LINKERS
Publication number
20100233190
Publication date
Sep 16, 2010
ENZON PHARMACEUTICALS, INC.
Hong ZHAO
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
HINDERED ESTER-BASED BIODEGRADABLE LINKERS FOR OLIGONUCLEOTIDE DELI...
Publication number
20100234444
Publication date
Sep 16, 2010
ENZON PHARMACEUTICALS, INC.
Hong Zhao
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
MULTI-ARM POLYMERIC CONJUGATES OF 7-ETHYL-10-HYDROXYCAMPTOTHECIN FO...
Publication number
20100204261
Publication date
Aug 12, 2010
ENZON PHARMACEUTICALS, INC.
Hong ZHAO
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
POLYMERIC LINKERS CONTAINING PYRIDYL DISULFIDE MOIETIES
Publication number
20100203066
Publication date
Aug 12, 2010
ENZON PHARMACEUTICALS, INC.
Hong Zhao
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
POSACONAZOLE POLYMER CONJUGATES AND METHODS OF TREATMENT USING POSA...
Publication number
20100056543
Publication date
Mar 4, 2010
ENZON PHARMACEUTICALS, INC.
Hong Zhao
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYMERIC OLIGONUCLEOTIDE PRODRUGS
Publication number
20090318538
Publication date
Dec 24, 2009
ENZON PHARMACEUTICALS, INC.
Hong ZHAO
C07 - ORGANIC CHEMISTRY
Information
Patent Application
POLYALKYLENE OXIDES HAVING HINDERED ESTER-BASED BIODEGRADABLE LINKERS
Publication number
20090232833
Publication date
Sep 17, 2009
ENZON PHARMACEUTICALS, INC.
Hong ZHAO
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PRODRUGS OF VANCOMYCIN WITH HYDROLYSIS RESISTANT POLYMER LINKAGES
Publication number
20090221471
Publication date
Sep 3, 2009
ENZON PHARMACEUTICALS, INC.
Richard B. Greenwald
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
POLYMERIC CONJUGATES CONTAINING POSITIVELY-CHARGED MOIETIES
Publication number
20090202573
Publication date
Aug 13, 2009
ENZON PHARMACEUTICALS, INC.
Hong ZHAO
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Application
LYSINE-BASED POLYMERIC LINKERS
Publication number
20090203706
Publication date
Aug 13, 2009
ENZON PHARMACEUTICALS, INC.
Hong Zhao
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
INDENOISOQUINOLINE-RELEASABLE POLYMER CONJUGATES
Publication number
20090156629
Publication date
Jun 18, 2009
ENZON PHARMACEUTICALS, INC.
Hong Zhao
C07 - ORGANIC CHEMISTRY
Information
Patent Application
MULTI-ARM POLYMERIC CONJUGATES OF 7-ETHYL-10-HYDROXYCAMPTOTHECIN FO...
Publication number
20090074706
Publication date
Mar 19, 2009
ENZON PHARMACEUTICALS, INC.
Hong ZHAO
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
POLYMERIC DRUG DELIVERY SYSTEMS CONTAINING AN AROMATIC ALLYLIC ACID
Publication number
20090017004
Publication date
Jan 15, 2009
ENZON PHARMACEUTICALS, INC.
Hong ZHAO
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
POLYMERIC DRUG DELIVERY SYSTEM CONTAINING A MULTI-SUBSTITUTED AROMA...
Publication number
20090016985
Publication date
Jan 15, 2009
ENZON PHARMACEUTICALS, INC.
Hong Zhao
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
RELEASABLE POLYMERIC CONJUGATES BASED ON ALIPHATIC BIODEGRADABLE LI...
Publication number
20080305070
Publication date
Dec 11, 2008
ENZON PHARMACEUTICALS, INC.
Hong ZHAO
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE