- 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: 462
10-year publication summary
|
37
|
29
|
32
|
31
|
41
|
33
|
36
|
25
|
19
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Chevron U.S.A. Inc. | 3844 |
35 |
| Mitsui Mining & Smelting Co., Ltd. | 1421 |
32 |
| BASF SE | 20367 |
29 |
| Uop LLC | 4187 |
24 |
| The University of Tokyo | 4051 |
22 |
| ExxonMobil Chemical Patents Inc. | 4118 |
20 |
| Saudi Arabian Oil Company | 12390 |
17 |
| Asahi Kasei Kabushiki Kaisha | 2555 |
15 |
| NGK Insulators, Ltd. | 4782 |
14 |
| BASF Corporation | 1822 |
13 |
| ZS Pharma, Inc. | 52 |
10 |
| China Petroleum & Chemical Corporation | 1767 |
8 |
| Tosoh Corporation | 1210 |
8 |
| IFP Energies Nouvelles | 2816 |
7 |
| UniZeo Co., Ltd. | 10 |
7 |
| ExxonMobil Research And Engineering Company | 2675 |
6 |
| California Institute of Technology | 3925 |
6 |
| Mitsubishi Chemical Corporation | 4430 |
6 |
| Johnson Matthey Public Limited Company | 1851 |
6 |
| National University Corporation Yokohama National University | 329 |
6 |
| Other owners | 171 |