- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 7/135 - Purification, separation or stabilisation of hydrocarbonsUse of additives by gas-chromatography
Patent holdings for IPC class C07C 7/135
Total number of patents in this class: 11
10-year publication summary
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hanwha TotalEnergies Petrochemical Co., Ltd. | 74 |
2 |
| BASF SE | 21098 |
1 |
| LG Chem, Ltd. | 17706 |
1 |
| Honeywell International Inc. | 13571 |
1 |
| Uop LLC | 4259 |
1 |
| Elevance Renewable Sciences, Inc. | 102 |
1 |
| King Saud University | 453 |
1 |
| Laurus Labs Private Limited | 67 |
1 |
| Total SA | 488 |
1 |
| Hainan Normal University | 26 |
1 |
| Other owners | 0 |