- All sections
- C - Chemistrymetallurgy
- C09C - Treatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling propertiespreparation of carbon black
- C09C 1/00 - Treatment of specific inorganic materials other than fibrous fillers Preparation of carbon black
Patent holdings for IPC class C09C 1/00
Total number of patents in this class: 1363
10-year publication summary
|
90
|
104
|
90
|
92
|
104
|
78
|
74
|
72
|
66
|
41
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ECKART GmbH | 317 |
92 |
| Viavi Solutions Inc. | 1452 |
71 |
| Merck Patent GmbH | 5768 |
59 |
| Sun Chemical Corporation | 839 |
33 |
| Nippon Sheet Glass Company, Limited | 984 |
30 |
| Susonity Commercial GmbH | 207 |
30 |
| Cqv Co., Ltd. | 70 |
27 |
| BASF SE | 20991 |
23 |
| Sun Chemical B.V. | 366 |
20 |
| Schlenk Metallic Pigments GmbH | 46 |
19 |
| Sumitomo Metal Mining Co., Ltd. | 1791 |
19 |
| PPG Industries Ohio, Inc. | 3441 |
17 |
| 3m Innovative Properties Company | 17781 |
13 |
| Giesecke+Devrient Currency Technology GmbH | 902 |
13 |
| Omya International AG | 771 |
12 |
| FUJIFILM Corporation | 29586 |
11 |
| DIC Corporation | 3813 |
11 |
| BASF Corporation | 1719 |
10 |
| BASF SE | 105 |
10 |
| ECKART America Corporation | 31 |
9 |
| Other owners | 834 |