- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 39/02 - Crystalline aluminosilicate zeolitesIsomorphous compounds thereofDirect preparation thereofPreparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactantsAfter-treatment thereof
Patent holdings for IPC class C01B 39/02
Total number of patents in this class: 1216
10-year publication summary
|
55
|
73
|
121
|
110
|
94
|
70
|
53
|
57
|
62
|
44
|
| 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. | 3972 |
122 |
| Saudi Arabian Oil Company | 13263 |
89 |
| BASF SE | 20945 |
69 |
| King Abdullah University of Science and Technology | 1793 |
40 |
| Johnson Matthey Public Limited Company | 1866 |
32 |
| China Petroleum & Chemical Corporation | 1903 |
31 |
| Aramco Services Company | 3993 |
29 |
| ExxonMobil Research And Engineering Company | 2568 |
22 |
| IFP Energies Nouvelles | 2939 |
22 |
| Uop LLC | 4240 |
21 |
| NGK Insulators, Ltd. | 4973 |
20 |
| BASF (China) Co., Ltd. | 844 |
20 |
| Research Institute of Petroleum Processing, Sinopec | 374 |
19 |
| Universidad Politecnica de Valencia | 537 |
19 |
| BASF Mobile Emissions Catalysts LLC | 406 |
19 |
| BASF Corporation | 1716 |
16 |
| ExxonMobil Chemical Patents Inc. | 3976 |
16 |
| The Regents of the University of California | 19989 |
14 |
| Arkema France | 4155 |
13 |
| ZS Pharma, Inc. | 52 |
13 |
| Other owners | 570 |