- 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 1/23 - Organic compounds containing nitrogen containing at least one nitrogen-to-oxygen bond, e.g. nitro-compounds, nitrates, nitrites
Patent holdings for IPC class C10L 1/23
Total number of patents in this class: 130
10-year publication summary
|
10
|
4
|
14
|
9
|
7
|
11
|
12
|
13
|
2
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Chevron U.S.A. Inc. | 4145 |
7 |
| Innospec Limited | 412 |
7 |
| BASF SE | 21318 |
5 |
| Shell Internationale Research Maatschappij B.V. | 3397 |
5 |
| Eurenco France SAS | 25 |
5 |
| ExxonMobil Research And Engineering Company | 2407 |
4 |
| Afton Chemical Corporation | 499 |
4 |
| Petroleo Brasileiro S.A. - Petrobras | 969 |
4 |
| Totalenergies Onetech | 1538 |
4 |
| Chevron Oronite Company LLC | 594 |
3 |
| BP Oil International Limited | 71 |
3 |
| Chimec S.p.A. | 17 |
3 |
| Mazoil Technologies Limited c/o Codan Trust Company (Cayman) Limited | 3 |
3 |
| Neste Oyj | 793 |
3 |
| Saudi Arabian Oil Company | 14275 |
3 |
| Clean Fuels Alliance America | 24 |
3 |
| Shell USA, Inc. | 1325 |
3 |
| Shell Oil Company | 2067 |
2 |
| Rohm and Haas Company | 2943 |
2 |
| SeaChange Group LLC | 7 |
2 |
| Other owners | 55 |