Patents per Year
Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 8691735 | Method of fracturing using boron crosslinkers | Hong Sun, Qi Qu, Frances De Benedictis | 2014-04-08 | $8,117,000 |
| 8389763 | Methods of making polyboronic compounds and compositions related thereto | Hong Sun, Qi Qu, Frances De Benedictis | 2013-03-05 | |
| 5336428 | Offshore rig cleaner | Roy I. Kaplan | 1994-08-09 | $5,950,000 |
| 5018577 | Phosphinate inhibitor for scale squeeze applications | James F. Kneller | 1991-05-28 | $9,338,000 |
| 4632786 | Sulfomethylated phenolic material useful in post primary oil recovery | Paul R. Stapp | 1986-12-30 | $5,460,000 |
| 4561501 | Surfactant oil recovery systems and recovery of oil therewith | James E. Shaw | 1985-12-31 | $2,150,000 |
| 4469604 | Sulfonated phenolic material and its use in post primary oil recovery | Paul R. Stapp | 1984-09-04 | $18,893,000 |