Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11198756 | Blend for curing epoxy resin composistions | Hui Zhou, Howard P. Klein, Robert A. Grigsby, Jr., Feixia Chen, Katty Darragas | 2021-12-14 |
| 11124693 | Hydroxyalkylurethane kinetic hydrate inhibitors | John H. Clements, Marek K. Pakulski | 2021-09-21 |
| 11015015 | Co-preparation of polyetheramines and alklyene amines | Hui Zhou, Howard P. Klein | 2021-05-25 |
| 11008503 | Water-in-oil hydraulic fracturing fluid and method of using such | Robert Carl Steves, John H. Clements | 2021-05-18 |