- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 39/04 - 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 using at least one organic template directing agent, e.g. an ionic quaternary ammonium compound or an aminated compound
Patent holdings for IPC class C01B 39/04
Total number of patents in this class: 452
10-year publication summary
|
24
|
36
|
35
|
44
|
18
|
23
|
8
|
18
|
14
|
13
|
| 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. | 4159 |
37 |
| BASF SE | 21306 |
28 |
| Saudi Arabian Oil Company | 14305 |
28 |
| China Petroleum & Chemical Corporation | 2166 |
18 |
| NGK Insulators, Ltd. | 5200 |
17 |
| Uop LLC | 4390 |
16 |
| Johnson Matthey Public Limited Company | 1763 |
16 |
| ExxonMobil Chemical Patents Inc. | 3768 |
14 |
| ExxonMobil Research And Engineering Company | 2400 |
13 |
| BASF (China) Co., Ltd. | 890 |
11 |
| King Abdullah University of Science and Technology | 1863 |
10 |
| Universidad Politecnica de Valencia | 557 |
10 |
| BASF Corporation | 1681 |
8 |
| Mitsubishi Chemical Corporation | 4734 |
8 |
| BASF Mobile Emissions Catalysts LLC | 426 |
8 |
| Dalian Institute of Chemical Physics, Chinese Academy of Sciences | 689 |
7 |
| Ecolab USA Inc. | 5813 |
7 |
| Consejo Superior de Investigaciones Cientificas | 799 |
6 |
| Research Institute of Petroleum Processing, Sinopec | 361 |
6 |
| California Institute of Technology | 4036 |
5 |
| Other owners | 179 |