- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 39/38 - Type ZSM-5
Patent holdings for IPC class C01B 39/38
Total number of patents in this class: 264
10-year publication summary
|
14
|
20
|
24
|
8
|
18
|
7
|
16
|
12
|
18
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| China Petroleum & Chemical Corporation | 2190 |
17 |
| Saudi Arabian Oil Company | 14398 |
16 |
| ExxonMobil Chemical Patents Inc. | 3756 |
9 |
| Research Institute of Petroleum Processing, Sinopec | 361 |
9 |
| NGK Insulators, Ltd. | 5168 |
7 |
| Korea Research Institute of Chemical Technology | 1493 |
7 |
| Tosoh Corporation | 1440 |
7 |
| SSI New Material (Zhenjiang) Co., Ltd. | 74 |
7 |
| BASF SE | 21334 |
6 |
| ExxonMobil Research And Engineering Company | 2389 |
5 |
| China National Petroleum Corporation | 646 |
5 |
| PetroChina Company Limited | 893 |
5 |
| The Regents of the University of California | 20960 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 34623 |
4 |
| Chevron U.S.A. Inc. | 4180 |
4 |
| Mitsubishi Chemical Corporation | 4767 |
4 |
| Arkema France | 4232 |
4 |
| Industry-University Cooperation Foundation Sogang University | 193 |
4 |
| King Fahd University of Petroleum and Minerals | 1603 |
4 |
| Sinopec Dalian Research Institute of Petroleum and Petrochemicals Co., Ltd. | 151 |
4 |
| Other owners | 132 |