- 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: 483
10-year publication summary
|
29
|
32
|
31
|
41
|
33
|
37
|
25
|
20
|
18
|
5
|
| 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. | 4180 |
37 |
| BASF SE | 21334 |
24 |
| Uop LLC | 4407 |
23 |
| Mitsui Mining & Smelting Co., Ltd. | 1062 |
23 |
| ExxonMobil Chemical Patents Inc. | 3756 |
19 |
| Asahi Kasei Kabushiki Kaisha | 2875 |
19 |
| Saudi Arabian Oil Company | 14398 |
19 |
| The University of Tokyo | 4403 |
17 |
| BASF Mobile Emissions Catalysts LLC | 427 |
16 |
| NGK Insulators, Ltd. | 5168 |
15 |
| Mitsui Kinzoku Company, Limited | 521 |
12 |
| Tosoh Corporation | 1440 |
11 |
| ZS Pharma, Inc. | 53 |
11 |
| China Petroleum & Chemical Corporation | 2190 |
8 |
| IFP Energies Nouvelles | 3125 |
8 |
| UniZeo Co., Ltd. | 10 |
7 |
| California Institute of Technology | 4044 |
6 |
| Mitsubishi Chemical Corporation | 4767 |
6 |
| Johnson Matthey Public Limited Company | 1766 |
6 |
| The Regents of the University of California | 20960 |
5 |
| Other owners | 191 |