- 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: 858
10-year publication summary
|
37
|
30
|
46
|
51
|
49
|
76
|
66
|
49
|
83
|
36
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Celanese International Corporation | 911 |
55 |
| BASF SE | 21303 |
52 |
| LG Chem, Ltd. | 17921 |
51 |
| Johnson Matthey Davy Technologies Limited | 518 |
24 |
| Daicel Corporation | 2508 |
22 |
| Topsoe A/S | 1044 |
16 |
| Shell Internationale Research Maatschappij B.V. | 3409 |
14 |
| Mitsubishi Chemical Corporation | 4721 |
14 |
| SABIC Global Technologies B.V. | 4596 |
13 |
| Eastman Chemical Company | 2081 |
12 |
| Genomatica, Inc. | 478 |
12 |
| Novamont S.p.A. | 392 |
12 |
| Whitefox Technologies Limited | 34 |
12 |
| Shell USA, Inc. | 1312 |
12 |
| Casale SA | 633 |
10 |
| Evonik Operations GmbH | 4336 |
10 |
| Shell Oil Company | 2075 |
9 |
| Toray Industries, Inc. | 7096 |
9 |
| Cameron International Corporation | 1368 |
9 |
| Cameron Solutions, Inc. | 66 |
8 |
| Other owners | 482 |