- 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: 195
10-year publication summary
|
12
|
8
|
10
|
15
|
11
|
15
|
16
|
17
|
14
|
13
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fuso Chemical Co., Ltd. | 67 |
22 |
| JGC Catalysts and Chemicals Ltd. | 262 |
16 |
| LG Chem, Ltd. | 17986 |
15 |
| Evonik Degussa GmbH | 1343 |
14 |
| Nissan Chemical Industries, Ltd. | 1627 |
13 |
| Nissan Chemical Corporation | 2307 |
12 |
| Fujimi Incorporated | 836 |
7 |
| Evonik Operations GmbH | 4443 |
7 |
| Mitsubishi Chemical Corporation | 4767 |
5 |
| Nalco Company | 528 |
4 |
| Saudi Arabian Oil Company | 14398 |
4 |
| Tama Chemicals Co., Ltd. | 6 |
4 |
| Shin-Etsu Chemical Co., Ltd. | 6157 |
3 |
| JSR Corporation | 2562 |
3 |
| Ecolab USA Inc. | 5842 |
3 |
| Nouryon Chemicals International B.V. | 650 |
3 |
| Halliburton Energy Services, Inc. | 21296 |
2 |
| Korea Institute of Science and Technology | 2267 |
2 |
| Aspen Aerogels, Inc. | 262 |
2 |
| Cabot Corporation | 548 |
2 |
| Other owners | 52 |