Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4321147 | Demulsification of bitumen emulsions with a high molecular weight polyol containing discrete blocks of ethylene and propylene oxide | David R. McCoy | 1982-03-23 |
| 4321148 | Demulsification of bitumen emulsions | David R. McCoy, Robert M. Gipson, Kitchener B. Young | 1982-03-23 |