- 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: 715
10-year publication summary
64
|
41
|
61
|
43
|
45
|
35
|
32
|
71
|
51
|
14
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Omya International AG | 816 |
32 |
3m Innovative Properties Company | 18406 |
19 |
PPG Industries Ohio, Inc. | 3430 |
19 |
Toyo Aluminium Kabushiki Kaisha | 357 |
16 |
DIC Corporation | 3597 |
15 |
Ishihara Sangyo Kaisha, Ltd. | 663 |
15 |
FUJIFILM Corporation | 27102 |
12 |
Daicel Corporation | 2128 |
12 |
Cabot Corporation | 575 |
10 |
Sakai Chemical Industry Co., Ltd. | 266 |
10 |
Hewlett-Packard Development Company, L.P. | 28538 |
9 |
Dowa Electronics Materials Co., Ltd. | 610 |
9 |
BASF SE | 19740 |
8 |
Shiraishi Kogyo Kaisha, Ltd. | 65 |
8 |
E. I. du Pont de Nemours and Company | 4345 |
7 |
Seiko Epson Corporation | 18724 |
7 |
Lanxess Deutschland GmbH | 1104 |
7 |
Nippon Sheet Glass Company, Limited | 992 |
7 |
Nippon Shokubai Co., Ltd. | 1487 |
7 |
Sumitomo Osaka Cement Co., Ltd. | 783 |
7 |
Other owners | 479 |