- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 33/141 - Preparation of hydrosols or aqueous dispersions
Patent holdings for IPC class C01B 33/141
Total number of patents in this class: 196
10-year publication summary
|
12
|
8
|
10
|
15
|
11
|
15
|
16
|
17
|
14
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fuso Chemical Co., Ltd. | 64 |
22 |
| JGC Catalysts and Chemicals Ltd. | 259 |
16 |
| LG Chem, Ltd. | 17929 |
15 |
| Evonik Degussa GmbH | 1371 |
14 |
| Nissan Chemical Industries, Ltd. | 1643 |
13 |
| Nissan Chemical Corporation | 2229 |
10 |
| Evonik Operations GmbH | 4368 |
7 |
| Fujimi Incorporated | 802 |
6 |
| Mitsubishi Chemical Corporation | 4723 |
5 |
| Ecolab USA Inc. | 5803 |
4 |
| Nalco Company | 535 |
4 |
| Saudi Arabian Oil Company | 14248 |
4 |
| Tama Chemicals Co., Ltd. | 6 |
4 |
| Shin-Etsu Chemical Co., Ltd. | 6109 |
3 |
| JSR Corporation | 2558 |
3 |
| Nouryon Chemicals International B.V. | 645 |
3 |
| Halliburton Energy Services, Inc. | 21320 |
2 |
| Korea Institute of Science and Technology | 2248 |
2 |
| Analytical Nano Technologies Limited | 2 |
2 |
| Cabot Corporation | 543 |
2 |
| Other owners | 55 |