- 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: 255
10-year publication summary
|
5
|
12
|
9
|
12
|
14
|
13
|
25
|
14
|
11
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Innospec Limited | 412 |
55 |
| The Lubrizol Corporation | 1261 |
28 |
| BASF SE | 21310 |
27 |
| Afton Chemical Corporation | 499 |
12 |
| Totalenergies Onetech | 1542 |
10 |
| Shell Internationale Research Maatschappij B.V. | 3394 |
7 |
| Innospec Fuel Specialties LLC | 46 |
7 |
| Total Marketing Services | 449 |
7 |
| BP Oil International Limited | 71 |
6 |
| Totalenergies Onetech (previously Totalenergies One Tech) | 285 |
6 |
| ExxonMobil Research And Engineering Company | 2402 |
5 |
| Chevron U.S.A. Inc. | 4155 |
5 |
| Huntsman Petrochemical LLC | 310 |
5 |
| Rhodia Operations | 1490 |
5 |
| Appledene Limited | 40 |
5 |
| Shell Oil Company | 2067 |
4 |
| Chevron Oronite Company LLC | 595 |
3 |
| Akzo Nobel Chemicals International B.V. | 414 |
3 |
| China Petroleum & Chemical Corporation | 2160 |
3 |
| Independence Oilfield Chemicals, LLC | 41 |
3 |
| Other owners | 49 |