- All sections
- C - Chemistry; metallurgy
- C01B - Non-metallic elements; compounds 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: 448
10-year publication summary
|
42
|
37
|
29
|
32
|
31
|
41
|
33
|
35
|
25
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Chevron U.S.A. Inc. | 3774 |
34 |
| Mitsui Mining & Smelting Co., Ltd. | 1373 |
30 |
| BASF SE | 19740 |
29 |
| Uop LLC | 4083 |
25 |
| ExxonMobil Chemical Patents Inc. | 4286 |
22 |
| The University of Tokyo | 3903 |
22 |
| Saudi Arabian Oil Company | 11322 |
15 |
| BASF Corporation | 2039 |
14 |
| NGK Insulators, Ltd. | 4589 |
14 |
| Asahi Kasei Kabushiki Kaisha | 2429 |
13 |
| ZS Pharma, Inc. | 51 |
10 |
| ExxonMobil Research And Engineering Company | 2830 |
8 |
| Tosoh Corporation | 1127 |
8 |
| China Petroleum & Chemical Corporation | 1623 |
7 |
| IFP Energies Nouvelles | 2717 |
7 |
| UniZeo Co., Ltd. | 10 |
7 |
| California Institute of Technology | 3884 |
6 |
| Mitsubishi Chemical Corporation | 4313 |
6 |
| Johnson Matthey Public Limited Company | 1852 |
6 |
| National University Corporation Yokohama National University | 328 |
6 |
| Other owners | 159 |