- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 29/80 - SeparationPurificationStabilisationUse of additives by physical treatment by distillation
Patent holdings for IPC class C07C 29/80
Total number of patents in this class: 810
10-year publication summary
|
42
|
34
|
30
|
43
|
50
|
45
|
64
|
59
|
46
|
63
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Celanese International Corporation | 914 |
55 |
| BASF SE | 21137 |
48 |
| LG Chem, Ltd. | 17704 |
46 |
| Johnson Matthey Davy Technologies Limited | 418 |
21 |
| Daicel Corporation | 2412 |
20 |
| Shell Internationale Research Maatschappij B.V. | 3538 |
15 |
| Mitsubishi Chemical Corporation | 4608 |
14 |
| SABIC Global Technologies B.V. | 4408 |
13 |
| Topsoe A/S | 966 |
13 |
| Genomatica, Inc. | 483 |
12 |
| Whitefox Technologies Limited | 35 |
12 |
| Shell USA, Inc. | 1258 |
12 |
| Eastman Chemical Company | 2114 |
11 |
| Novamont S.p.A. | 361 |
11 |
| Evonik Operations GmbH | 4181 |
11 |
| Shell Oil Company | 2134 |
9 |
| Toray Industries, Inc. | 7021 |
9 |
| Cameron International Corporation | 1355 |
8 |
| Cameron Solutions, Inc. | 66 |
8 |
| Gevo, Inc. | 269 |
7 |
| Other owners | 455 |