- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 39/44 - Ferrierite type, e.g. types ZSM-21, ZSM-35 or ZSM-38
Patent holdings for IPC class C01B 39/44
Total number of patents in this class: 73
10-year publication summary
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4
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5
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5
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5
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6
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3
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4
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5
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5
|
2
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tosoh Corporation | 1444 |
5 |
| University of Houston System | 1142 |
4 |
| SSI New Material (Zhenjiang) Co., Ltd. | 75 |
4 |
| INEOS Acetyls UK Limited | 53 |
4 |
| Chevron U.S.A. Inc. | 4195 |
3 |
| Johnson Matthey Public Limited Company | 1774 |
3 |
| Saudi Arabian Oil Company | 14469 |
3 |
| BP Chemicals Limited | 67 |
2 |
| China University of Petroleum (Beijing) | 307 |
2 |
| Dalian Institute of Chemical Physics, Chinese Academy of Sciences | 691 |
2 |
| IFP Energies Nouvelles | 3136 |
2 |
| King Fahd University of Petroleum and Minerals | 1616 |
2 |
| Neste Oyj | 792 |
2 |
| PetroChina Company Limited | 898 |
2 |
| Total Research & Technology Feluy | 435 |
2 |
| BASF SE | 21337 |
1 |
| The Regents of the University of California | 21018 |
1 |
| BASF Corporation | 1679 |
1 |
| Hyundai Motor Company | 25321 |
1 |
| Shin-Etsu Chemical Co., Ltd. | 6203 |
1 |
| Other owners | 26 |