- 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: 308
10-year publication summary
|
19
|
21
|
15
|
10
|
11
|
13
|
6
|
4
|
5
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ZS Pharma, Inc. | 53 |
21 |
| ExxonMobil Research And Engineering Company | 2440 |
18 |
| Chevron U.S.A. Inc. | 4125 |
18 |
| BASF SE | 21294 |
16 |
| Uop LLC | 4402 |
12 |
| ExxonMobil Chemical Patents Inc. | 3800 |
10 |
| IFP Energies Nouvelles | 3094 |
10 |
| California Institute of Technology | 4035 |
9 |
| China Petroleum & Chemical Corporation | 2136 |
9 |
| The Regents of the University of California | 20669 |
6 |
| BASF (China) Co., Ltd. | 883 |
6 |
| Georgia Tech Research Corporation | 2932 |
5 |
| ExxonMobil Technology and Engineering Company | 1334 |
5 |
| PetroChina Company Limited | 876 |
4 |
| Research Institute of Petroleum Processing, Sinopec | 365 |
4 |
| Research Triangle Institute | 418 |
4 |
| Shanghai Research Institute of Petrochemical Technology Sinopec | 264 |
4 |
| Dalian Institute of Chemical Physics, Chinese Academy of Sciences | 701 |
3 |
| East China Normal University | 199 |
3 |
| IFP | 142 |
3 |
| Other owners | 138 |