Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9027757 | Mixture of an amine alkoxylate ester and a quaternary ammonium compound as a collector for minerals containing silicate | Klaus-Ulrich Pedain | 2015-05-12 |
| 8939291 | Flotation reagent for iron ores containing magnetite and/or haematite | Klaus-Ulrich Pedain | 2015-01-27 |
| 8034748 | Additives for inhibiting the formation of gas hydrates | Michael Feustel | 2011-10-11 |
| 7435845 | Corrosion and gas hydrate inhibitors having improved water solubility and increased biodegradability | Michael Feustel | 2008-10-14 |
| 7348451 | Additives for inhibiting gas hydrate formation | Michael Feustel | 2008-03-25 |
| 7341617 | Corrosion and gas hydrate inhibitors having improved water solubility and increased biodegradability | Michael Feustel | 2008-03-11 |
| 7323609 | Corrosion and gas hydrate inhibitors having improved water solubility and increased biodegradability | Michael Feustel | 2008-01-29 |
| 7297823 | Additives for inhibiting the formation of gas hydrates | Michael Feustel, Christoph Kayser, Roman Morschhaeuser | 2007-11-20 |
| 7253138 | Corrosion and gas hydrate inhibitors having improved water solubility and increased biodegradability | Michael Feustel | 2007-08-07 |
| 7214276 | Ether carboxylic acids based on alkoxylated styrylphenols | Rainer Kupfer | 2007-05-08 |
| 7214814 | Additives for inhibiting gas hydrate formation | Michael Feustel | 2007-05-08 |
| 7208118 | Process for the solvent-free preparation of ethercarboxylic acids having a low residual salt content | Dirk Leinweber, Rainer Kupfer | 2007-04-24 |
| 7183240 | Additives for inhibiting the formation of gas hydrates | Michael Feustel | 2007-02-27 |
| 7160507 | Corrosion inhibitors with improved water solubility and improved film persistence | Michael Feustel | 2007-01-09 |
| 7008561 | Ether carboxylic acids based on alkoxylated mercaptobenzothiazoles and use of the same as corrosion inhibitors | Michael Feustel, Rainer Kupfer | 2006-03-07 |
| 6894007 | Additives for inhibiting gas hydrate formation | Peter Klug, Michael Feustel | 2005-05-17 |