Inventor
Qingshan Jason Niu
Inventor
Excelsior, MN, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Dprimary
B01DSeparation28%
C02FTreatment of water, waste water, sewage, or sludge12%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds12%
C08JWorking-up12%
B29CShaping or joining of plastics4%
B82YSpecific uses or applications of nanostructures4%
C08LCompositions of macromolecular compounds4%
C09DCoating compositions, e.g. paints, varnishes or lacquers4%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h104%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h104%
PatentTitleYear
10,780,401Highly selective alicyclic polyamide nanofiltration membrane and making method thereof20209,636,643'Polymeric matrices formed from monomers comprising a protected amine group'20178,839,960'Polymeric matrices formed from monomers comprising a protected amine group'20148,002,120'Modified polyamide membrane'20117,918,349'Composite polyamide membrane with branched poly(alkylene oxide) modified surface'20117,905,361'Modified polyamide membrane'20117,882,963'Modified membrane'20117,368,483'Porous composition of matter, and method of making same'20086,818,285'Composition and method to achieve reduced thermal expansion in polyarylene networks'2004Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2004–2011Patents assigned to DOW GLOBAL TECHNOLOGIES INC (3)· patent assignee history
2004–2008Patents assigned to IBM (2)· patent assignee history
2004–2008Based in Midland, MI, US· patent location history
2011Patents assigned to DOW GLOBAL TECHNOLOGIES LLC (3)· patent assignee history
2011–2017Based in Excelsior, MN, US· patent location history
2011Based in Chanhassen, MN, US· patent location history
2014–2017Patents assigned to GEN ELECTRIC (2)· patent assignee history
2014Patents assigned to NIU QINGSHAN JASON (1)· patent assignee history
2020Based in Qingdao, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DOW GLOBAL TECHNOLOGIES INC | 3 | 2004–2011 |
| DOW GLOBAL TECHNOLOGIES LLC | 3 | 2011 |
| GEN ELECTRIC | 2 | 2014–2017 |
| IBM | 2 | 2004–2008 |
| NIU QINGSHAN JASONself | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Excelsior, Minnesota, US | 5 | 2011–2017 |
| Midland, MI, US | 2 | 2004–2008 |
| Qingdao, CN | 1 | 2020 |
| Chanhassen, Minnesota, US | 1 | 2011 |