Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5205964 | Method of breaking crude oil emulsions using ethylene carbonate adducts of alkylphenol-formaldehyde resins | W. Kirk Stephenson | 1993-04-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5205964 | Method of breaking crude oil emulsions using ethylene carbonate adducts of alkylphenol-formaldehyde resins | W. Kirk Stephenson | 1993-04-27 |