Inventor
Patrick Vongphouthone
Inventor
Sceaux, FR
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere44%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests33%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds11%
E21BEarth or rock drilling11%
PatentTitleYear
11,041,107Rheological agent, preparation methods and uses thereof20217,449,430'Fluid loss reducer for high temperature high pressure water based-mud application'20087,256,159'Fluid loss reducer for high temperature high pressure water based-mud application'20077,101,829'Fluid loss reducer for high temperature and high pressure water-based mud application'2006Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2006–2008Patents assigned to ELIOKEM S A S (3)· patent assignee history
2006–2008Based in Sceaux, FR· patent location history
2021Patents assigned to OMNOVA SOLUTIONS (1)· patent assignee history
2021Based in Bussy Saint Georges, FR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ELIOKEM S A S | 3 | 2006–2008 |
| OMNOVA SOLUTIONS | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sceaux, FR | 3 | 2006–2008 |
| Bussy Saint Georges, FR | 1 | 2021 |