- All sections
- C - Chemistrymetallurgy
- C10L - Fuels not otherwise provided fornatural gassynthetic natural gas obtained by processes not covered by subclasses or liquefied petroleum gas use of additives to fuels or fires fire-lighters
- C10L 1/238 - Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
Patent holdings for IPC class C10L 1/238
Total number of patents in this class: 254
10-year publication summary
|
18
|
5
|
10
|
9
|
10
|
12
|
8
|
14
|
9
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Innospec Limited | 346 |
51 |
| BASF SE | 21017 |
32 |
| The Lubrizol Corporation | 1290 |
28 |
| Afton Chemical Corporation | 487 |
12 |
| Totalenergies Onetech | 1377 |
11 |
| Shell Internationale Research Maatschappij B.V. | 3557 |
7 |
| Innospec Fuel Specialties LLC | 47 |
7 |
| Total Marketing Services | 453 |
7 |
| BP Oil International Limited | 77 |
6 |
| Totalenergies Onetech (previously Totalenergies One Tech) | 293 |
6 |
| ExxonMobil Research And Engineering Company | 2562 |
5 |
| Chevron U.S.A. Inc. | 3996 |
5 |
| Rhodia Operations | 1586 |
5 |
| Appledene Limited | 40 |
5 |
| Shell Oil Company | 2138 |
4 |
| Huntsman Petrochemical LLC | 295 |
4 |
| Chevron Oronite Company LLC | 573 |
3 |
| Akzo Nobel Chemicals International B.V. | 435 |
3 |
| China Petroleum & Chemical Corporation | 1911 |
3 |
| Research Institute of Petroleum Processing, Sinopec | 372 |
3 |
| Other owners | 47 |