- 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: 1243
10-year publication summary
|
74
|
126
|
116
|
98
|
73
|
53
|
64
|
71
|
59
|
17
|
| 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. | 4103 |
127 |
| Saudi Arabian Oil Company | 13949 |
94 |
| BASF SE | 21151 |
69 |
| King Abdullah University of Science and Technology | 1833 |
42 |
| China Petroleum & Chemical Corporation | 2080 |
32 |
| Johnson Matthey Public Limited Company | 1756 |
32 |
| Aramco Services Company | 4162 |
29 |
| IFP Energies Nouvelles | 3038 |
22 |
| ExxonMobil Research And Engineering Company | 2462 |
21 |
| Uop LLC | 4322 |
21 |
| NGK Insulators, Ltd. | 5215 |
20 |
| BASF (China) Co., Ltd. | 879 |
20 |
| Research Institute of Petroleum Processing, Sinopec | 366 |
19 |
| Universidad Politecnica de Valencia | 555 |
19 |
| BASF Mobile Emissions Catalysts LLC | 430 |
19 |
| The Regents of the University of California | 20587 |
16 |
| BASF Corporation | 1685 |
16 |
| ZS Pharma, Inc. | 53 |
14 |
| ExxonMobil Technology and Engineering Company | 1293 |
14 |
| Arkema France | 4189 |
13 |
| Other owners | 584 |