- 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: 799
10-year publication summary
|
42
|
34
|
30
|
43
|
50
|
45
|
63
|
59
|
46
|
54
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Celanese International Corporation | 911 |
55 |
| BASF SE | 21017 |
46 |
| LG Chem, Ltd. | 17676 |
41 |
| Johnson Matthey Davy Technologies Limited | 287 |
21 |
| Daicel Corporation | 2380 |
19 |
| Shell Internationale Research Maatschappij B.V. | 3557 |
15 |
| Mitsubishi Chemical Corporation | 4579 |
14 |
| SABIC Global Technologies B.V. | 4370 |
13 |
| Topsoe A/S | 910 |
13 |
| Genomatica, Inc. | 496 |
12 |
| Whitefox Technologies Limited | 36 |
12 |
| Shell USA, Inc. | 1242 |
12 |
| Novamont S.p.A. | 355 |
11 |
| Evonik Operations GmbH | 4174 |
11 |
| Eastman Chemical Company | 2207 |
10 |
| Shell Oil Company | 2138 |
9 |
| Toray Industries, Inc. | 7000 |
9 |
| Cameron International Corporation | 1342 |
8 |
| Cameron Solutions, Inc. | 66 |
8 |
| Asahi Kasei Chemicals Corporation | 657 |
7 |
| Other owners | 453 |