Inventor
Xiaojun Dang
Inventor
Shanghai, CN
Overview
Patents· 4 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 properties29%
C08BPolysaccharides14%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds14%
C08JWorking-up14%
C09KMaterials for miscellaneous applications, not provided for elsewhere14%
Y10TTechnical subjects covered by former us classification14%
PatentTitleYear
10,308,726Crosslinked polymer, hydrogel or water-based fracturing fluid comprising the same, and methods of making and using thereof201910,259,890Crosslinked polymer, hydrogel or water-based fracturing fluid comprising the same, and methods of making and using thereof20196,790,666'Method to ascertain whether soluble hardness is calcium or magnesium based'20046,790,664'Fluorometric monitoring and control of soluble hardness of water used in industrial water systems'2004Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2004Patents assigned to NALCO CO (2)· patent assignee history
2004Based in Aurora, IL, US· patent location history
2004Based in Naperville, IL, US· patent location history
2019Patents assigned to YI YUAN (1)· patent assignee history
2019Based in Shanghai, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NALCO CO | 2 | 2004 |
| YI YUAN | 1 | 2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Shanghai, CN | 2 | 2019 |
| Aurora, Illinois, US | 1 | 2004 |
| Naperville, Illinois, US | 1 | 2004 |