- All sections
- C - Chemistry; metallurgy
- C09C - Treatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties; preparation of carbon black
- C09C 3/08 - Treatment with low-molecular-weight organic compounds
Patent holdings for IPC class C09C 3/08
Total number of patents in this class: 718
10-year publication summary
|
41
|
61
|
43
|
45
|
35
|
32
|
71
|
51
|
43
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Omya International AG | 810 |
31 |
| 3m Innovative Properties Company | 17957 |
19 |
| PPG Industries Ohio, Inc. | 3449 |
19 |
| DIC Corporation | 3669 |
17 |
| Toyo Aluminium Kabushiki Kaisha | 356 |
16 |
| Ishihara Sangyo Kaisha, Ltd. | 660 |
15 |
| FUJIFILM Corporation | 28805 |
12 |
| Daicel Corporation | 2245 |
12 |
| Cabot Corporation | 550 |
10 |
| Dowa Electronics Materials Co., Ltd. | 621 |
10 |
| Sakai Chemical Industry Co., Ltd. | 272 |
9 |
| BASF SE | 20432 |
8 |
| Hewlett-Packard Development Company, L.P. | 27461 |
8 |
| Nippon Sheet Glass Company, Limited | 998 |
8 |
| E. I. du Pont de Nemours and Company | 4249 |
7 |
| Seiko Epson Corporation | 18989 |
7 |
| Lanxess Deutschland GmbH | 1119 |
7 |
| Maruo Calcium Company Limited | 31 |
7 |
| Nippon Shokubai Co., Ltd. | 1513 |
7 |
| Shiraishi Kogyo Kaisha, Ltd. | 63 |
7 |
| Other owners | 482 |