- 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: 442
10-year publication summary
|
27
|
24
|
36
|
35
|
44
|
18
|
23
|
8
|
18
|
11
|
| 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. | 3953 |
37 |
| BASF SE | 20926 |
30 |
| Saudi Arabian Oil Company | 13091 |
23 |
| NGK Insulators, Ltd. | 4949 |
17 |
| Uop LLC | 4244 |
17 |
| China Petroleum & Chemical Corporation | 1899 |
17 |
| Johnson Matthey Public Limited Company | 1851 |
16 |
| ExxonMobil Research And Engineering Company | 2576 |
15 |
| ExxonMobil Chemical Patents Inc. | 3985 |
14 |
| Universidad Politecnica de Valencia | 533 |
12 |
| BASF (China) Co., Ltd. | 837 |
11 |
| BASF Corporation | 1725 |
8 |
| Mitsubishi Chemical Corporation | 4498 |
8 |
| Consejo Superior de Investigaciones Cientificas | 873 |
8 |
| King Abdullah University of Science and Technology | 1776 |
8 |
| Dalian Institute of Chemical Physics, Chinese Academy of Sciences | 674 |
7 |
| Ecolab USA Inc. | 5478 |
7 |
| BASF Mobile Emissions Catalysts LLC | 399 |
7 |
| Research Institute of Petroleum Processing, Sinopec | 374 |
6 |
| California Institute of Technology | 3974 |
5 |
| Other owners | 169 |