- All sections
- C - Chemistry; metallurgy
- C01B - Non-metallic elements; compounds thereof
- C01B 39/02 - Crystalline aluminosilicate zeolites; Isomorphous compounds thereof; Direct preparation thereof; Preparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants; After-treatment thereof
Patent holdings for IPC class C01B 39/02
Total number of patents in this class: 1129
10-year publication summary
|
71
|
64
|
74
|
126
|
116
|
98
|
73
|
52
|
60
|
27
|
| 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 |
113 |
| BASF SE | 19740 |
75 |
| Saudi Arabian Oil Company | 11322 |
63 |
| Johnson Matthey Public Limited Company | 1852 |
30 |
| China Petroleum & Chemical Corporation | 1623 |
28 |
| BASF Corporation | 2039 |
26 |
| ExxonMobil Research And Engineering Company | 2830 |
25 |
| Uop LLC | 4083 |
24 |
| King Abdullah University of Science and Technology | 1703 |
24 |
| Universidad Politecnica de Valencia | 507 |
23 |
| IFP Energies Nouvelles | 2717 |
21 |
| Research Institute of Petroleum Processing, Sinopec | 387 |
20 |
| NGK Insulators, Ltd. | 4589 |
19 |
| BASF (China) Co., Ltd. | 755 |
19 |
| Aramco Services Company | 3504 |
18 |
| ExxonMobil Chemical Patents Inc. | 4286 |
17 |
| Consejo Superior de Investigaciones Cientificas | 932 |
15 |
| ZS Pharma, Inc. | 51 |
13 |
| The Regents of the University of California | 18943 |
12 |
| Arkema France | 3790 |
12 |
| Other owners | 532 |