- All sections
- C - Chemistry; metallurgy
- C09K - Materials for applications not otherwise provided for; applications 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: 198
10-year publication summary
|
9
|
16
|
16
|
28
|
34
|
24
|
15
|
13
|
5
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 11322 |
57 |
| Halliburton Energy Services, Inc. | 20165 |
19 |
| Canadian Energy Services LP | 67 |
9 |
| Southwest Petroleum University | 403 |
7 |
| Hercules LLC | 231 |
5 |
| Integrity Bio-chemicals, LLC | 46 |
5 |
| Aramco Services Company | 3504 |
4 |
| Cellucomp Limited | 34 |
4 |
| Lignosol IP Limited | 21 |
4 |
| Chevron Phillips Chemical Company LP | 1779 |
3 |
| Cosun Biobased Products B.V. | 7 |
3 |
| M-I L.L.C. | 893 |
3 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
3 |
| NUtech Ventures | 301 |
3 |
| BASF SE | 19740 |
2 |
| Kaneka Corporation | 4445 |
2 |
| Akita University | 88 |
2 |
| BP Exploration Operating Company Limited | 270 |
2 |
| China Petroleum & Chemical Corporation | 1623 |
2 |
| Elkem AS | 66 |
2 |
| Other owners | 57 |