- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 39/46 - Other types characterised by their X-ray diffraction pattern and their defined composition
Patent holdings for IPC class C01B 39/46
Total number of patents in this class: 485
10-year publication summary
|
29
|
31
|
29
|
40
|
32
|
33
|
25
|
19
|
15
|
1
|
| 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. | 4050 |
35 |
| Mitsui Mining & Smelting Co., Ltd. | 1398 |
32 |
| BASF SE | 21146 |
24 |
| Uop LLC | 4275 |
24 |
| The University of Tokyo | 4297 |
22 |
| ExxonMobil Chemical Patents Inc. | 3889 |
20 |
| Asahi Kasei Kabushiki Kaisha | 2745 |
19 |
| Saudi Arabian Oil Company | 13865 |
19 |
| BASF Mobile Emissions Catalysts LLC | 426 |
17 |
| NGK Insulators, Ltd. | 5205 |
15 |
| Tosoh Corporation | 1355 |
11 |
| ZS Pharma, Inc. | 53 |
11 |
| China Petroleum & Chemical Corporation | 2002 |
8 |
| IFP Energies Nouvelles | 3006 |
8 |
| UniZeo Co., Ltd. | 10 |
7 |
| ExxonMobil Research And Engineering Company | 2497 |
6 |
| California Institute of Technology | 4015 |
6 |
| Mitsubishi Chemical Corporation | 4671 |
6 |
| Johnson Matthey Public Limited Company | 1737 |
6 |
| National University Corporation Yokohama National University | 342 |
6 |
| Other owners | 183 |