- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 29/04 - Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites, pillared clays
Patent holdings for IPC class B01J 29/04
Total number of patents in this class: 683
10-year publication summary
|
52
|
50
|
39
|
48
|
52
|
41
|
35
|
25
|
33
|
12
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Chevron U.S.A. Inc. | 3774 |
47 |
| Saudi Arabian Oil Company | 11322 |
37 |
| ExxonMobil Research And Engineering Company | 2830 |
32 |
| Johnson Matthey Public Limited Company | 1852 |
30 |
| California Institute of Technology | 3884 |
28 |
| BASF SE | 19740 |
22 |
| ExxonMobil Chemical Patents Inc. | 4286 |
22 |
| China Petroleum & Chemical Corporation | 1623 |
18 |
| IFP Energies Nouvelles | 2717 |
18 |
| Saudi Basic Industries Corporation | 625 |
17 |
| Uop LLC | 4083 |
15 |
| BASF Corporation | 2039 |
14 |
| Research Institute of Petroleum Processing, Sinopec | 387 |
9 |
| W. R. Grace & Co.-Conn. | 299 |
9 |
| Universidad Politecnica de Valencia | 507 |
8 |
| SABIC Global Technologies B.V. | 4044 |
7 |
| Shanghai Research Institute of Petrochemical Technology Sinopec | 252 |
7 |
| Umicore AG & Co. KG | 867 |
7 |
| W.R. Grace & Co.-conn. | 372 |
7 |
| BASF (China) Co., Ltd. | 755 |
7 |
| Other owners | 322 |