- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 39/00 - Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolitesTheir preparationAfter-treatment, e.g. ion-exchange or dealumination
Patent holdings for IPC class C01B 39/00
Total number of patents in this class: 311
10-year publication summary
|
13
|
19
|
21
|
15
|
10
|
11
|
13
|
5
|
4
|
1
|
| 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. | 3962 |
21 |
| ZS Pharma, Inc. | 52 |
20 |
| BASF SE | 20915 |
19 |
| ExxonMobil Research And Engineering Company | 2572 |
18 |
| Uop LLC | 4244 |
12 |
| ExxonMobil Chemical Patents Inc. | 3977 |
12 |
| China Petroleum & Chemical Corporation | 1908 |
10 |
| IFP Energies Nouvelles | 2933 |
10 |
| California Institute of Technology | 3972 |
9 |
| The Regents of the University of California | 19929 |
6 |
| BASF (China) Co., Ltd. | 843 |
6 |
| ExxonMobil Technology and Engineering Company | 1080 |
5 |
| Georgia Tech Research Corporation | 2736 |
4 |
| Research Institute of Petroleum Processing, Sinopec | 374 |
4 |
| Research Triangle Institute | 405 |
4 |
| Shanghai Research Institute of Petrochemical Technology Sinopec | 266 |
4 |
| Universidad Politecnica de Valencia | 534 |
4 |
| Consejo Superior de Investigaciones Cientificas | 866 |
3 |
| Dalian Institute of Chemical Physics, Chinese Academy of Sciences | 672 |
3 |
| East China Normal University | 184 |
3 |
| Other owners | 134 |