- All sections
- C - Chemistry; metallurgy
- C01B - Non-metallic elements; compounds thereof
- C01B 39/00 - Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination
Patent holdings for IPC class C01B 39/00
Total number of patents in this class: 324
10-year publication summary
24
|
13
|
19
|
21
|
15
|
10
|
11
|
12
|
5
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
BASF SE | 19740 |
21 |
ExxonMobil Research And Engineering Company | 2830 |
21 |
Chevron U.S.A. Inc. | 3774 |
21 |
ZS Pharma, Inc. | 51 |
20 |
ExxonMobil Chemical Patents Inc. | 4286 |
15 |
Uop LLC | 4083 |
12 |
China Petroleum & Chemical Corporation | 1623 |
10 |
IFP Energies Nouvelles | 2717 |
10 |
California Institute of Technology | 3884 |
9 |
The Regents of the University of California | 18943 |
6 |
BASF (China) Co., Ltd. | 755 |
6 |
Universidad Politecnica de Valencia | 507 |
5 |
Georgia Tech Research Corporation | 2453 |
4 |
Consejo Superior de Investigaciones Cientificas | 932 |
4 |
Research Institute of Petroleum Processing, Sinopec | 387 |
4 |
Research Triangle Institute | 389 |
4 |
Shanghai Research Institute of Petrochemical Technology Sinopec | 252 |
4 |
Dalian Institute of Chemical Physics, Chinese Academy of Sciences | 614 |
3 |
East China Normal University | 158 |
3 |
IFP | 156 |
3 |
Other owners | 139 |