Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10597570 | Spray dried emulsifier compositions, methods for their preparation, and their use in oil-based drilling fluid compositions | Phillip W. Hurd, Gary D. Fultz | 2020-03-24 |
| 9657212 | Spray dried emulsifier compositions, methods for their preparation, and their use in oil-based drilling fluid compositions | Phillip W. Hurd, Gary D. Fultz | 2017-05-23 |
| 8927468 | Spray dried emulsifier compositions, methods for their preparation, and their use in oil-based drilling fluid compositions | Phillip W. Hurd, Gary D. Fultz | 2015-01-06 |
| 8258084 | Spray dried emulsifier compositions, methods for their preparation, and their use in oil-based drilling fluid compositions | Phillip W. Hurd, Gary D. Fultz | 2012-09-04 |
| 6087318 | Process to produce disproportionated rosin based emulsifier for emulsion polymerization | — | 2000-07-11 |
| 5391686 | Polyurethane compositions having enhanced corrosion inhibiting properties | Cung Vu | 1995-02-21 |
| 5290632 | Liquid coatings for cast iron | Cung Vu | 1994-03-01 |
| 5130205 | Laminate and gas permeation module comprising two-component polyurethane adhesive | Cung Vu | 1992-07-14 |