- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 27/04 - Sulfides
Patent holdings for IPC class B01J 27/04
Total number of patents in this class: 231
10-year publication summary
|
9
|
15
|
27
|
12
|
12
|
15
|
15
|
9
|
12
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shell Internationale Research Maatschappij B.V. | 3498 |
14 |
| Shell Oil Company | 2113 |
14 |
| Chevron U.S.A. Inc. | 4071 |
12 |
| Soochow University | 1761 |
11 |
| SABIC Global Technologies B.V. | 4466 |
6 |
| Hydrocarbon Technology & Innovation, LLC | 48 |
6 |
| Uop LLC | 4283 |
4 |
| Northwestern University | 3493 |
4 |
| IFP Energies Nouvelles | 3007 |
4 |
| Imam Abdulrahman Bin Faisal University | 568 |
4 |
| BASF SE | 21151 |
3 |
| Honda Motor Co., Ltd. | 25795 |
3 |
| William Marsh Rice University | 1055 |
3 |
| LG Chem, Ltd. | 17759 |
2 |
| Panasonic Corporation | 19859 |
2 |
| Hon Hai Precision Industry Co., Ltd. | 4005 |
2 |
| Corning Incorporated | 10402 |
2 |
| ExxonMobil Chemical Patents Inc. | 3885 |
2 |
| Tsinghua University | 6080 |
2 |
| Lawrence Livermore National Security, LLC | 1954 |
2 |
| Other owners | 129 |