Inventor
Zhongxu Ren
Inventor
Foster City, CA, US
Overview
Patents· 25 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%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations27%
C07DHeterocyclic compounds15%
C08LCompositions of macromolecular compounds13%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds10%
C07CAcyclic or carbocyclic compounds6%
C07HSugars2%
PatentTitleYear
11,111,214Kappa opioid agonists and uses thereof202110,844,076Derivatives of 6-(2,3-dichlorophenyl)-1,2,4-triazin-5-amine202010,463,659Multi-arm polymer prodrugs201910,407,416Kappa opioid agonists and uses thereof201910,189,859Derivatives of 6-(2,3-dichlorophenyl)-1,2,4-triazin-5-amine20199,815,824'Kappa opioid agonists and uses thereof'20179,808,533'Multi-arm polymer prodrugs'20179,365,604'Oligomer-nucleoside phosphate conjugates'20169,333,200'Multi-arm polymer prodrugs'20169,314,463'Oligomer-diarylpiperazine conjugates'20169,233,932'Oligomer-nitroimidazole anti-infective conjugates'20169,132,200'Oligomer-calcium channel blocker conjugates'20159,061,026'Oligomer-diarylpiperazine conjugates'20158,853,247'Oligomer-nitroimidazole anti-infective conjugates'20148,771,662'Multi-arm polymer prodrugs'20148,748,648'Oligomer-calcium channel blocker conjugates'20148,741,858'Oligomer-nucleoside phosphate conjugates'20148,685,979'Oligomer-diarylpiperazine conjugates'20148,394,365'Multi-arm polymer prodrugs'20138,323,632'Multi-arm polypeptide-poly(ethylene glycol) block copolymers as drug delivery vehicles'20128,318,145'Multi-arm polymer prodrugs'20128,263,062'Multi-arm polymer prodrugs'20127,976,834'Multi-arm polypeptide-poly(ethylene glycol) block copolymers as drug delivery vehicles'20117,744,861'Multi-arm polymer prodrugs'20107,316,811'Multi-arm polypeptide-poly (ethylene glycol) block copolymers as drug delivery vehicles'2008Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2008–2014Based in Madison, AL, US· patent location history
2010–2021Patents assigned to NEKTAR THERAPEUTICS (23)· patent assignee history
2012–2014Patents assigned to REN ZHONGXU (8)· patent assignee history
2012–2013Patents assigned to ZHAO XUAN (4)· patent assignee history
2012–2014Patents assigned to BENTLEY MICHAEL D (3)· patent assignee history
2014Patents assigned to RIGGS-SAUTHIER JENNIFER (4)· patent assignee history
2015–2021Based in Foster City, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NEKTAR THERAPEUTICS | 23 | 2010–2021 |
| REN ZHONGXUself | 8 | 2012–2014 |
| RIGGS-SAUTHIER JENNIFER | 4 | 2014 |
| ZHAO XUAN | 4 | 2012–2013 |
| BENTLEY MICHAEL D | 3 | 2012–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Foster City, California, US | 13 | 2015–2021 |
| Madison, AL, US | 12 | 2008–2014 |