Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8080588 | Surfactants for tertiary mineral oil extraction based on branched alcohols | Christian Bittner, Günter Oetter, Marcus Guzmann, Andrea Haunert, Rainer Papp +1 more | 2011-12-20 |
| 7985718 | Use of surfactant mixtures for tertiary mineral oil extraction | Christian Bittner, Oetter Günter, Marcus Guzmann | 2011-07-26 |
| 7956013 | Compositions having pH-dependent viscosity, thickener systems containing the same, and uses therefor | Günter Oetter, Uwe Ossmer, Marcus Guzmann | 2011-06-07 |