- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 8/20 - Natural organic compounds or derivatives thereof, e.g. polysaccharides or lignin derivatives
Patent holdings for IPC class C09K 8/20
Total number of patents in this class: 221
10-year publication summary
|
13
|
13
|
28
|
30
|
22
|
14
|
11
|
5
|
19
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 13372 |
59 |
| Halliburton Energy Services, Inc. | 20946 |
21 |
| King Fahd University of Petroleum and Minerals | 1272 |
13 |
| Canadian Energy Services LP | 73 |
9 |
| Southwest Petroleum University | 476 |
8 |
| Integrity Bio-chemicals, LLC | 55 |
6 |
| Lignosol IP Limited | 31 |
6 |
| Hercules LLC | 224 |
5 |
| Aramco Services Company | 4025 |
4 |
| Cellucomp Limited | 37 |
4 |
| Chevron Phillips Chemical Company LP | 1829 |
3 |
| China Petroleum & Chemical Corporation | 1909 |
3 |
| M-I L.L.C. | 815 |
3 |
| Mitsubishi Gas Chemical Company, Inc. | 3482 |
3 |
| NUtech Ventures | 339 |
3 |
| BASF SE | 20991 |
2 |
| Kaneka Corporation | 4577 |
2 |
| Akita University | 98 |
2 |
| BP Exploration Operating Company Limited | 268 |
2 |
| Cosun Biobased Products B.V. | 5 |
2 |
| Other owners | 61 |