Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875809 | Method for stabilizing clay minerals during oil exploitation by steam injection | Geza Csajtai, Sandor Doleschall, Gyula Milley, Miklos Kristof, Dániel Rácz +1 more | 1989-10-24 |
| 4844155 | Process for increasing the yield of oil reservoirs | Mihaly Megyeri, Istvan Koncz, Gyorgy Tiszai, Antal Szittar | 1989-07-04 |
| 4799551 | Enhanced oil recovery | Sandorne Bauer, Zoltan Biro, Sandor Doleschall, Eva Farkas, Gyula Milley +4 more | 1989-01-24 |
| 4795564 | Process for improving the sedimentation and filtering properties of waste waters containing clay minerals | Sandor Bauer, Sandor Doleschall, Andras Gal, Gyula Milley, Gyula Nagy | 1989-01-03 |