- All sections
- C - Chemistry; metallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 29/86 - Separation; Purification; Stabilisation; Use of additives by physical treatment by liquid-liquid treatment
Patent holdings for IPC class C07C 29/86
Total number of patents in this class: 190
10-year publication summary
|
29
|
17
|
8
|
10
|
14
|
10
|
16
|
9
|
7
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Butamax Advanced Biofuels LLC | 95 |
13 |
| Gevo, Inc. | 251 |
12 |
| Evonik Operations GmbH | 4022 |
9 |
| Shell Internationale Research Maatschappij B.V. | 3721 |
7 |
| Shell Oil Company | 2155 |
7 |
| White Dog Labs, Inc. | 40 |
7 |
| IFP Energies Nouvelles | 2818 |
6 |
| BASF SE | 20387 |
5 |
| Eastman Chemical Company | 2257 |
5 |
| Compagnie générale des établissements Michelin SCA | 2512 |
4 |
| University of Southern California | 2074 |
4 |
| Aquafortus Technologies Limited | 35 |
4 |
| Changchun Meihe Science and Technology Development Co.,Ltd | 28 |
4 |
| Braskem S.A. | 457 |
3 |
| Kuraray Co., Ltd. | 3463 |
3 |
| Rensselaer Polytechnic Institute | 800 |
3 |
| Evonik Degussa GmbH | 1557 |
2 |
| Dow Global Technologies LLC | 10143 |
2 |
| The Regents of the University of Michigan | 4570 |
2 |
| Afyren | 41 |
2 |
| Other owners | 86 |