- All sections
- C - Chemistry; metallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 29/80 - Separation; Purification; Stabilisation; Use of additives by physical treatment by distillation
Patent holdings for IPC class C07C 29/80
Total number of patents in this class: 710
10-year publication summary
|
50
|
44
|
37
|
29
|
46
|
51
|
47
|
73
|
56
|
13
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Celanese International Corporation | 879 |
55 |
| BASF SE | 19740 |
39 |
| LG Chem, Ltd. | 17205 |
26 |
| Daicel Corporation | 2128 |
19 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
18 |
| Johnson Matthey Davy Technologies Limited | 216 |
14 |
| Shell USA, Inc. | 1074 |
14 |
| Genomatica, Inc. | 514 |
13 |
| SABIC Global Technologies B.V. | 4044 |
13 |
| Shell Oil Company | 2196 |
11 |
| Mitsubishi Chemical Corporation | 4313 |
11 |
| Eastman Chemical Company | 2239 |
10 |
| Evonik Operations GmbH | 3879 |
10 |
| Toray Industries, Inc. | 6652 |
9 |
| Whitefox Technologies Limited | 31 |
9 |
| Topsoe A/S | 732 |
9 |
| Cameron International Corporation | 1305 |
8 |
| Cameron Solutions, Inc. | 67 |
8 |
| Novamont S.p.A. | 354 |
8 |
| Asahi Kasei Chemicals Corporation | 809 |
7 |
| Other owners | 399 |