- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 39/12 - Preparation of isomorphous zeolites characterised by measures to replace the aluminium or silicon atoms in the lattice framework by atoms of other elements the replacing atoms being boron atoms
Patent holdings for IPC class C01B 39/12
Total number of patents in this class: 138
10-year publication summary
|
19
|
14
|
17
|
10
|
7
|
2
|
4
|
12
|
5
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 20933 |
40 |
| Chevron U.S.A. Inc. | 3955 |
35 |
| ExxonMobil Research And Engineering Company | 2573 |
12 |
| ExxonMobil Chemical Patents Inc. | 3980 |
9 |
| ExxonMobil Technology and Engineering Company | 1080 |
8 |
| Uop LLC | 4244 |
7 |
| California Institute of Technology | 3976 |
5 |
| China Petroleum & Chemical Corporation | 1903 |
4 |
| Dow Global Technologies LLC | 10363 |
2 |
| Mitsui Mining & Smelting Co., Ltd. | 1482 |
2 |
| Research Institute of Petroleum Processing, Sinopec | 374 |
2 |
| Shanghai Research Institute of Petrochemical Technology Sinopec | 266 |
2 |
| Technische Universitat Clausthal | 30 |
2 |
| The Regents of the University of California | 19918 |
1 |
| AAC Acoustic Technologies (Shenzhen) Co., Ltd. | 1938 |
1 |
| Friedrich-Alexander-Universitaet Erlangen-Nuernberg | 111 |
1 |
| Saudi Arabian Oil Company | 13155 |
1 |
| The University of Tokyo | 4176 |
1 |
| BASF (China) Co., Ltd. | 837 |
1 |
| Friedrich-Alexander-Universität Erlangen-Nürnberg | 437 |
1 |
| Other owners | 1 |