- 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: 1250
10-year publication summary
|
74
|
126
|
116
|
98
|
73
|
53
|
64
|
71
|
60
|
33
|
| 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 |
130 |
| Saudi Arabian Oil Company | 14398 |
97 |
| BASF SE | 21334 |
69 |
| King Abdullah University of Science and Technology | 1874 |
43 |
| Johnson Matthey Public Limited Company | 1766 |
32 |
| China Petroleum & Chemical Corporation | 2190 |
31 |
| Aramco Services Company | 4190 |
29 |
| IFP Energies Nouvelles | 3125 |
22 |
| Uop LLC | 4407 |
21 |
| NGK Insulators, Ltd. | 5168 |
20 |
| BASF (China) Co., Ltd. | 892 |
20 |
| ExxonMobil Research And Engineering Company | 2389 |
19 |
| Universidad Politecnica de Valencia | 558 |
19 |
| BASF Mobile Emissions Catalysts LLC | 427 |
19 |
| The Regents of the University of California | 20960 |
18 |
| Research Institute of Petroleum Processing, Sinopec | 361 |
18 |
| ExxonMobil Technology and Engineering Company | 1425 |
18 |
| BASF Corporation | 1682 |
16 |
| ZS Pharma, Inc. | 53 |
14 |
| Arkema France | 4232 |
13 |
| Other owners | 582 |