Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4321146 | Demulsification of bitumen emulsions with a high molecular weight mixed alkylene oxide polyol | David R. McCoy, Robert M. Gipson | 1982-03-23 |
| 4321148 | Demulsification of bitumen emulsions | David R. McCoy, Robert M. Gipson, Colin L. LaBerge | 1982-03-23 |