Inventor
Amy M. Tseng
Inventor
Woodridge, IL, US
Overview
10→
Patents
1994–2017
Patent span
General tagging of new technological developments
Primary field (CPC Y)
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties19%
Y10TTechnical subjects covered by former us classification16%
C09KMaterials for miscellaneous applications, not provided for elsewhere13%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1013%
B81CProcesses or apparatus specially adapted for the manufacture or treatment of microstructural devices or systems9%
C02FTreatment of water, waste water, sewage, or sludge9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
H01LSemiconductor devices6%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds3%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management3%
PatentTitleYear
9,677,998'Control over etching molecule levels in etching compositions'20178,945,939'Control over hydrogen fluoride levels in oxide etchant'20158,932,874'Control over ammonium fluoride levels in oxide etchant'20158,753,896'Method of monitoring a surfactant in a microelectronic process by fluorescence'20148,716,028'Control over hydrogen fluoride levels in oxide etchant'20148,372,651'Method of monitoring a surfactant in a microelectronic process by absorbance'20136,077,461'Cationic chemiluminescent monomers and polymers'20005,476,594'Vinylamine polymers for removing color from paper mill effluents'19955,435,921'Vinylamine polymers and coagulants for removing color from paper mill effluents'19955,326,479'Treatment of pulp and paper wastewater with reducing agent and a polymer for color removal'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–2000Patents assigned to NALCO CHEMICAL CO (4)· patent assignee history
1994Based in Woodbridge, IL, US· patent location history
1995–2017Based in Woodridge, IL, US· patent location history
2013–2015Patents assigned to NALCO CO (5)· patent assignee history
2013–2014Patents assigned to JENKINS BRIAN V (3)· patent assignee history
2013–2014Patents assigned to HOOTS JOHN E (2)· patent assignee history
2015–2017Patents assigned to ECOLAB USA INC (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NALCO CO | 5 | 2013–2015 |
| NALCO CHEMICAL CO | 4 | 1994–2000 |
| JENKINS BRIAN V | 3 | 2013–2014 |
| ECOLAB USA INC | 2 | 2015–2017 |
| HOOTS JOHN E | 2 | 2013–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Woodridge, Illinois, US | 9 | 1995–2017 |
| Woodbridge, Illinois, US | 1 | 1994 |