Issued Patents 2022
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11447713 | Hyperbranched polyesters and their use as wax inhibitor, as pour point depressant, as lubricant or in lubricating oils | Anna Maria Mueller-Cristadoro, Stefan Frenzel, Xiao Fu, Felix Alexander Westerhaus, Tina Noack +1 more | 2022-09-20 |
| 11274180 | Use of hydrophobically modified polyalkanolamines as wax inhibitors, pour point depressant and additive for lubricants | Anna Maria Mueller-Cristadoro, Stefan Frenzel, Matthias Fies, Szilard Csihony, Xiao Fu | 2022-03-15 |
| 11261392 | Aqueous polymer dispersions, a method for their preparation and the use thereof as pour-point depressants for crude oil, petroleum, and petroleum products | Frank Oliver Heinrich Pirrung, Jennifer Jackson | 2022-03-01 |
| 11236282 | Copolymers comprising a-olefins and olefin dicarboxylic acid esters, production thereof, and use thereof as pour point depressants for crude oils, mineral oils, or mineral oil products | Ivette Garcia Castro, Kai Gumlich, Stefan Frenzel, Maria Heuken, Rouven Konrad +2 more | 2022-02-01 |