- All sections
- C - Chemistry; metallurgy
- C10L - Fuels not otherwise provided for; natural gas; synthetic 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: 237
10-year publication summary
16
|
18
|
5
|
12
|
9
|
12
|
14
|
13
|
17
|
6
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Innospec Limited | 308 |
41 |
BASF SE | 19740 |
34 |
The Lubrizol Corporation | 1335 |
29 |
Afton Chemical Corporation | 468 |
12 |
Shell Internationale Research Maatschappij B.V. | 3792 |
10 |
Total Marketing Services | 487 |
8 |
ExxonMobil Research And Engineering Company | 2830 |
6 |
BP Oil International Limited | 91 |
6 |
Totalenergies Onetech (previously Totalenergies One Tech) | 323 |
6 |
Rhodia Operations | 1645 |
5 |
Shell Oil Company | 2196 |
4 |
Chevron U.S.A. Inc. | 3774 |
4 |
Chevron Oronite Company LLC | 551 |
3 |
Akzo Nobel Chemicals International B.V. | 520 |
3 |
China Petroleum & Chemical Corporation | 1623 |
3 |
Huntsman Petrochemical LLC | 276 |
3 |
Innospec Fuel Specialties LLC | 33 |
3 |
Research Institute of Petroleum Processing, Sinopec | 387 |
3 |
The United States of America as represented by the Secretary of the Air Force | 754 |
3 |
Baker Hughes Oilfield Operations, LLC | 1885 |
3 |
Other owners | 48 |