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Inventor

Xuan Zhao

Inventor
Beijing, CN

Overview

94→
Patents
2001–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 94 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes27%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds21%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations12%
C08LCompositions of macromolecular compounds12%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
C07DHeterocyclic compounds3%
C07KPeptides3%
B82YSpecific uses or applications of nanostructures2%
C07CAcyclic or carbocyclic compounds2%
C12NMicroorganisms or enzymes2%
PatentTitleYear
10,992,387Port replicator202110,858,479Y-type discrete polyethylene glycol derivative and preparation method thereof202010,596,268Conjugate of dezocine and polyethylene glycol202010,525,143Conjugate of polyethylene glycol and anesthetic, and preparation method thereof202010,523,472Interface circuitry201910,463,659Multi-arm polymer prodrugs201910,464,882Y-type discrete polyethylene glycol derivative and preparation method thereof201910,391,063Pharmaceutical composition of polyethylene glycol-modified camptothecin derivative and preparation method thereof201910,325,060Hotspot correction method201910,315,938Activating agent for treatment of radioactive wastewater and method using the same for radioactive wastewater treatment201910,157,466Method for automatic tissue segmentation of medical images201810,098,870Polyethylene glycol-cactus oligopeptide bonding rapamycin derivatives201810,052,392Low molecular weight polyethylene glycol drug conjugates having improved drug biological activity201810,052,391Low molecular weight polyethylene glycol drug conjugates having improved drug biological activity201810,046,987Method of treatment of radioactive wastewater201810,039,837Multi-arm polyethylene glycol-azido derivative201810,034,948Low molecular weight polyethylene glycol drug conjugates having improved drug biological activity20189,925,171'Compound having higher inhibitory activity on protein kinase G and preparation method thereof'20189,897,433'Method and system for regional phase unwrapping with pattern-assisted correction'20189,834,5303-furyl-2-cyano-2-acrylamide derivative, preparation method therefor, pharmaceutical composition and use thereof20179,808,533'Multi-arm polymer prodrugs'20179,789,198'Low molecular weight polyethylene glycol drug conjugates having improved drug biological activity'20179,718,837'Nitrogen-containing heterocyclic ring substituted dihydroartemisinin derivatives and use thereof'20179,700,633'Conjugates of water soluble polymer-amino acid oligopeptide-drug, preparation method and use thereof'20179,586,191'Magnetic core coated inorganic ion adsorbent for removing Cs ions in radioactive wastewater and preparation method thereof'20179,566,576'Metal complex catalysts and uses thereof'20179,566,344'Dasatinib and nonlinear configuration polyethylene glycol conjugate'20179,567,319'Compound having higher inhibitory activity on protein kinase G and preparation method thereof'20179,555,123'Multi-arm polyethylene glycol derivatives, conjugates and gels of pharmaceuticals and the same'20179,446,139'Polymer-based compositions and conjugates of HIV entry inhibitors'20169,388,104'Chemically modified small molecules'20169,333,200'Multi-arm polymer prodrugs'20169,254,335'Multi-arm polyethylene glycol derivatives, conjugates and gels of pharmaceuticals and the same'20169,187,569'Branched polymers'20159,040,060'Hydrolytically degradable alkylene oxide based polymers'20158,962,647'Conjugate of polyethylene gylcol and naloxone and pharmaceutical composition and use thereof'20158,809,453'Branched polymers'20148,771,662'Multi-arm polymer prodrugs'20148,728,493'Polymer based compositions and conjugates of non-steroidal anti-inflammatory drugs'20148,586,681'Multi-arm block copolymers as drug delivery vehicles'20138,497,357'Degradable heterobifunctional poly(ethylene glycol) acrylates and gels and conjugates derived therefrom'20138,440,816'Branched polymers'20138,394,365'Multi-arm polymer prodrugs'20138,338,545'Multi-arm block copolymers as drug delivery vehicles'20128,323,632'Multi-arm polypeptide-poly(ethylene glycol) block copolymers as drug delivery vehicles'20128,318,145'Multi-arm polymer prodrugs'20128,283,434'Hydrolytically degradable polymers and hydrogels made therefrom'20128,273,833'Branched Polymers'20128,263,062'Multi-arm polymer prodrugs'20128,183,338'Sterically hindered poly(ethylene glycol) alkanoic acids and derivatives thereof'20128,119,756'Hydrolytically degradable polymers and hydrogels made therefrom'20128,071,692'Multi-arm block copolymers as drug delivery vehicles'20118,034,825'Chemically modified small molecules'20117,988,956'Hydrolytically degradable carbamate derivatives of poly(ethylene glycol)'20117,976,834'Multi-arm polypeptide-poly(ethylene glycol) block copolymers as drug delivery vehicles'20117,960,502'Sterically hindered poly(ethylene glycol) alkanoic acids and derivatives thereof'20117,910,685'Hydrolytically degradable polymers and hydrogels made therefrom'20117,889,202'Transparent multi-buffering in multi-GPU graphics subsystem'20117,872,072'Branched polymers and their conjugates'20117,812,849'Event memory assisted synchronization in multi-GPU graphics subsystem'20107,786,133'Chemically modified small molecules'20107,772,357'Hydrolytically degradable polymers and hydrogels made therefrom'20107,744,861'Multi-arm polymer prodrugs'20107,674,879'Sterically hindered poly(ethylene glycol) alkanoic acids and derivatives thereof'20107,608,678'Hydrolytically degradable polymers and hydrogels made therefrom'20097,608,253'Hydrolytically degradable carbamate derivatives of poly (ethylene glycol)'20097,589,157'Multi-arm block copolymers as drug delivery vehicles'20097,405,266'Sterically hindered poly(ethylene glycol) alkanoic acids and derivatives thereof'20087,316,811'Multi-arm polypeptide-poly (ethylene glycol) block copolymers as drug delivery vehicles'20087,268,210'PEG-LHRH analog conjugates'20077,265,186'Multi-arm block copolymers as drug delivery vehicles'20077,259,224'Hydrolytically degradable polymers and hydrogels made therefrom'20077,214,388'Degradable heterobifunctional poly(ethylene glycol) acrylates'20077,205,380'Sterically hindered poly (ethylene glycol) alkanoic acids and derivatives thereof'20077,166,304'Degradable heterobifunctional poly(ethylene glycol) acrylates'20077,074,878'Hydrolytically degradable polymers and hydrogels made therefrom'20067,060,259'Hydrolytically degradable carbamate derivatives of poly(ethylene glycol)'20067,026,440'Branched polymers and their conjugates'20066,992,168'Sterically hindered poly(ethylene glycol) alkanoic acids and derivatives thereof'20066,914,121'PEG-LHRH analog conjugates'20056,899,867'Hydrolytically degradable carbamate derivatives of poly(ethylene glycol)'20056,838,528'Multi-arm block copolymers as drug delivery vehicles'20056,737,505'Sterically hindered poly(ethylene glycol) alkanoic acids and derivatives thereof'20046,730,334'Multi-arm block copolymers as drug delivery vehicles'20046,602,952'Hydrogels derived from chitosan and poly(ethylene glycol) or related polymers'20036,541,015'Hydrolytically degradable carbamate derivatives of poly(ethylene glycol)'20036,514,491'Hydrolytically degradable carbamate derivatives of poly(ethylene glycol)'20036,495,659'Sterically hindered poly(ethylene glycol) alkanoic acids and derivatives thereof'20026,461,602'Hydrolytically degradable carbamate derivatives of poly(ethylene glycol)'20026,461,603'Water-soluble polymer conjugates of artelinic acid'20026,433,135'PEG-LHRH analog conjugates'20026,413,507'Hydrolytically degradable carbamate derivatives of poly (ethylene glycol)'20026,362,276'Degradable heterobifunctional poly(ethylene glycol) acrylates and gels and conjugates derived therefrom'20026,242,482'Prostaglandin compounds and derivatives thereof, compositions containing the same and method of using the same for the treatment of congestive heart failure'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2016Based in Huntsville, AL, US· patent location history
2002–2003Patents assigned to SHEARWATER CORP (7)· patent assignee history
2004–2009Patents assigned to NEKTAR THERAPEUTICS AL CORP (13)· patent assignee history
2006–2017Patents assigned to ZHAO XUAN (18)· patent assignee history
2007–2014Based in Dong Cheng District, CN· patent location history
2008–2020Based in Beijing, CN· patent location history
2009–2019Patents assigned to NEKTAR THERAPEUTICS (34)· patent assignee history
2010–2019Based in Shanghai, CN· patent location history
2016–2020Based in Tianjin, CN· patent location history
2018–2020Patents assigned to JENKEM TECH CO LTD TIANJIN (7)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NEKTAR THERAPEUTICS342009–2019
ZHAO XUANself182006–2017
NEKTAR THERAPEUTICS AL CORP132004–2009
JENKEM TECH CO LTD TIANJIN72018–2020
SHEARWATER CORP72002–2003
Locations
LocationPatentsSpan
Beijing, CN372008–2020
Huntsville, AL, US302001–2016
Tianjin, CN82016–2020
Dong Cheng District, CN62007–2014
Shanghai, CN32010–2019