- All sections
- C - Chemistry; metallurgy
- C01B - Non-metallic elements; compounds thereof
- C01B 33/14 - Colloidal silica, e.g. dispersions, gels, sols
Patent holdings for IPC class C01B 33/14
Total number of patents in this class: 243
10-year publication summary
|
13
|
24
|
21
|
13
|
21
|
13
|
17
|
17
|
13
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17205 |
9 |
| Nissan Chemical Industries, Ltd. | 1822 |
9 |
| Cabot Corporation | 575 |
8 |
| Evonik Degussa GmbH | 1574 |
6 |
| JGC Catalysts and Chemicals Ltd. | 238 |
6 |
| Prebona AB | 17 |
5 |
| Geo40 Limited | 7 |
5 |
| Evonik Operations GmbH | 3879 |
5 |
| Massachusetts Institute of Technology | 9795 |
4 |
| Sumitomo Chemical Company, Limited | 8808 |
4 |
| Mitsubishi Chemical Corporation | 4313 |
4 |
| Agency for Science, Technology and Research | 3512 |
4 |
| Ecolab USA Inc. | 5190 |
4 |
| Fujimi Incorporated | 676 |
4 |
| Mitsubishi Materials Corporation | 2378 |
4 |
| Nalco Company | 620 |
4 |
| Yamaguchi Seiken Kogyo Co., Ltd. | 19 |
4 |
| Sol-gel Materials & Applications Ltd | 6 |
4 |
| BASF SE | 19740 |
3 |
| Tahoe Technologies, Ltd. | 5 |
3 |
| Other owners | 144 |