- All sections
- C - Chemistrymetallurgy
- C09C - Treatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling propertiespreparation of carbon black
- C09C 3/12 - Treatment with organosilicon compounds
Patent holdings for IPC class C09C 3/12
Total number of patents in this class: 610
10-year publication summary
|
41
|
46
|
52
|
41
|
36
|
46
|
33
|
44
|
26
|
13
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Admatechs Company Limited | 93 |
17 |
| Shin-Etsu Chemical Co., Ltd. | 6113 |
14 |
| 3m Innovative Properties Company | 17484 |
11 |
| Sumitomo Osaka Cement Co., Ltd. | 898 |
11 |
| Wacker Chemie AG | 2110 |
11 |
| Nissan Chemical Corporation | 2235 |
9 |
| Ishihara Sangyo Kaisha, Ltd. | 658 |
8 |
| M. Technique Co., Ltd. | 252 |
8 |
| Sakai Chemical Industry Co., Ltd. | 284 |
8 |
| The Sweet Living Group, LLC | 24 |
8 |
| Evonik Operations GmbH | 4374 |
8 |
| Rohm and Haas Company | 2943 |
7 |
| Dow Global Technologies LLC | 10968 |
7 |
| Dow Corning Toray Co., Ltd. | 454 |
7 |
| e Ink Corporation | 1552 |
7 |
| Viavi Solutions Inc. | 1528 |
7 |
| BASF SE | 21318 |
6 |
| Merck Patent GmbH | 5731 |
6 |
| Evonik Degussa GmbH | 1367 |
6 |
| Dow Corning Corporation | 876 |
6 |
| Other owners | 438 |