Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9562145 | Organoclay compositions having quaternary ammonium ion having one or more branched alkyl substituents | Wouter Ijdo, Yanhui CHEN, Edward D. Magauran | 2017-02-07 |
| 9562146 | Composite compositions for polymers and organoclay compositions having quaternary ammonium ion having one or more branched alkyl substituents | Wouter Ijdo | 2017-02-07 |
| 9534162 | Organoclay compositions for drilling fluids useful to provide substantially constant rheology profiles to such fluids over a wide temperature range | Wouter Ijdo, Jeffrey Thompson, Kamal Said Kamal ELSAYED | 2017-01-03 |