- All sections
- C - Chemistry; metallurgy
- C01B - Non-metallic elements; compounds 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: 179
10-year publication summary
|
10
|
6
|
12
|
8
|
10
|
15
|
11
|
15
|
16
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JGC Catalysts and Chemicals Ltd. | 238 |
15 |
| Evonik Degussa GmbH | 1574 |
14 |
| Fuso Chemical Co., Ltd. | 40 |
14 |
| Nissan Chemical Industries, Ltd. | 1822 |
14 |
| LG Chem, Ltd. | 17205 |
12 |
| Evonik Operations GmbH | 3879 |
8 |
| Nissan Chemical Corporation | 1725 |
7 |
| Nouryon Chemicals International B.V. | 508 |
7 |
| Ecolab USA Inc. | 5190 |
5 |
| Nalco Company | 620 |
5 |
| Fujimi Incorporated | 676 |
4 |
| Saudi Arabian Oil Company | 11322 |
4 |
| JSR Corporation | 2476 |
3 |
| Akzo Nobel Chemicals International B.V. | 520 |
3 |
| Halliburton Energy Services, Inc. | 20165 |
2 |
| FUJIFILM Corporation | 27102 |
2 |
| Mitsubishi Chemical Corporation | 4313 |
2 |
| Korea Institute of Science and Technology | 2022 |
2 |
| Analytical Nano Technologies Limited | 3 |
2 |
| Degussa AG | 68 |
2 |
| Other owners | 52 |