- 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 1/189 - Carboxylic acids; Salts thereof having at least one carboxyl group bound to an aromatic carbon atom
Patent holdings for IPC class C10L 1/189
Total number of patents in this class: 28
10-year publication summary
|
2
|
0
|
1
|
4
|
3
|
1
|
1
|
2
|
0
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 20432 |
8 |
| Shell Internationale Research Maatschappij B.V. | 3722 |
4 |
| Shell Oil Company | 2153 |
2 |
| Chevron Oronite Company LLC | 560 |
2 |
| Adeka Corporation | 1342 |
2 |
| 3m Innovative Properties Company | 17957 |
1 |
| Chevron U.S.A. Inc. | 3856 |
1 |
| GS Caltex Corporation | 138 |
1 |
| Infineum International Limited | 349 |
1 |
| Innospec Limited | 325 |
1 |
| Universitat Regensburg | 105 |
1 |
| Bundesanstalt für Materialforschung und -prüfung (BAM) | 30 |
1 |
| Baker Hughes Holdings LLC | 3009 |
1 |
| Barentz North America, LLC | 70 |
1 |
| Shell USA, Inc. | 1137 |
1 |
| Other owners | 0 |