Issued Patents All Time
Showing 25 most recent of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12138638 | Composition and method for use of 1-alkyl-5-oxopyrrolidine-3-carboxylic acids as collectors for phosphate and lithium flotation | Adriana Grossmann, Wagner Claudio Da Silva, Leandro Seixas BICALHO | 2024-11-12 |
| 12129427 | Synergistic blends of anti-agglomerant gas hydrate inhibitors with quaternary alkyl ammonium compounds | Zachary Thomas Ward, Felix Hoevelmann, Jonathan James Wylde, Matthias Krull | 2024-10-29 |
| 12037537 | Method of and a composition for controlling gas hydrate blockage through the addition of a synergistically acting blend with alkoxylates of fatty alcohols, fatty amines and fatty acids | Zachary Thomas Ward, Felix Hoevelmann, Jonathan James Wylde | 2024-07-16 |
| 11898091 | Synergistic blends of anti-agglomerant gas hydrate inhibitors with quaternary benzyl ammonium compounds | Zachary Thomas Ward, Felix Hoevelmann, Jonathan James Wylde, Matthias Krull | 2024-02-13 |
| 11845892 | Use of complex polyesteramines and polyester polyquaternary ammonium compounds as corrosion inhibitors | Tobias PLATEN, Nihal N. Obeyesekere, Matthias Krull | 2023-12-19 |
| 11572499 | Method of and a composition for controlling gas hydrate blockage through the addition of a synergistically acting blend with a quaternary benzyl ammonium compound | Zachary Thomas Ward, Felix Hoevelmann, Jonathan James Wylde | 2023-02-07 |
| 11266587 | Oligoester ammonium salts and their use in compositions for conditioning hair | Katarzyna KITA-TOKARCZYK, Hannah Benson, Henrike Neuhoff, Steffen ROMANSKI, Nadine Zoumpoulakis | 2022-03-08 |
| 11161804 | Unsymmetrically substituted dicarboxylic acid diamido ammonium salts and their use for gas hydrate anti-agglomeration | Nirupam Purkayastha, Zachary Thomas Ward, Fabian Schneider, Matthias Krull, Jonathan James Wylde | 2021-11-02 |
| 10993898 | Fatty acid esters of oxalkylated alkylalkylenediamines and salts thereof and compositions for conditioning of hair | Hannah Benson, Henrike Neuhoff, Katarzyna KITA-TOKARCZYK | 2021-05-04 |
| 10238591 | Cosmetic compositions comprising estolide esters and uses for hair treatment | Hannah Benson, Katarzyna KITA-TOKARCZYK, Henrike Neuhoff, Anton KRATZ, Steffen ROMANSKI | 2019-03-26 |
| 9956547 | Preparation of polyglycerols | Anton Kaiser, Bert Marc Weckhuysen, Fiona Kirby, Franz-Xaver Scherl, Hans Joachim Metz +1 more | 2018-05-01 |
| 9452981 | Pyroglutamic acid esters with improved biodegradability | Michael Feustel | 2016-09-27 |
| 9334243 | N-alkyl-N′-poly(oxyalkyl)hexahydropyrimidine-quaternary ammonium salts and the use thereof as corrosion inhibitors | Hannah Benson, Nihal U. Obeyesekere, Thenuka Ariyaratna | 2016-05-10 |
| 8920543 | Additives for inhibition of gas hydrate formation | Alexander Roesch, Carsten Schaefer, Alexander Woerndle | 2014-12-30 |
| 8920542 | Additives for inhibiting gas hydrate formation | Alexander Roesch, Carsten Schaefer | 2014-12-30 |
| 8735332 | Use of pyroglutamic acid esters as gas hydrate inhibitors with improved biodegradability | Michael Feustel | 2014-05-27 |
| 8722589 | Use of 1-alkyl-5-oxopyrrolidine-3-carboxylic esters as gas hydrate inhibitors with improved biodegradability | Alexander Roesch, Michael Feustel | 2014-05-13 |
| 8349215 | Corrosion inhibitors having increased biological degradability and minimized toxicity | Alexander Roesch, Michael Feustel | 2013-01-08 |
| 8350058 | Method for producing alkenyl succinic anhydrides | Tobias Rau | 2013-01-08 |
| 8067651 | 1-alkyl-5-oxopyrrolidine-3-carboxylic esters with improved biodegradability | Alexander Roesch, Michael Feustel | 2011-11-29 |
| 7893009 | Polymers and their production and use as gas hydrate inhibitors | Michael Feustel | 2011-02-22 |
| 7815698 | Demulsifiers for mixtures of middle distillates with fuel oils of vegetable or animal origin and water | Bettina Siggelkow, Werner Reimann, Ulrike Neuhaus, Renate Braun | 2010-10-19 |
| 7671098 | Alkoxylated, cross-linked polyglycerols and use thereof as biodegradable demulsifier | Franz-Xaver Scherl, Elisabeth Wasmund, Heidi Rausch | 2010-03-02 |
| 7615102 | Corrosion and gas hydrate inhibitors with an increased biological degradability and a reduced toxicity | Michael Feustel | 2009-11-10 |
| 7569615 | Alkoxylated dendrimers and use thereof as biodegradable demulsifiers | Michael Feustel, Elisabeth Wasmund, Heidi Rausch | 2009-08-04 |