- 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
|
95
|
109
|
99
|
98
|
107
|
82
|
76
|
77
|
66
|
20
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ECKART GmbH | 324 |
94 |
| Merck Patent GmbH | 5831 |
91 |
| Viavi Solutions Inc. | 1412 |
70 |
| Sun Chemical Corporation | 840 |
33 |
| Nippon Sheet Glass Company, Limited | 1001 |
30 |
| Cqv Co., Ltd. | 69 |
26 |
| BASF SE | 20728 |
24 |
| Sun Chemical B.V. | 360 |
20 |
| PPG Industries Ohio, Inc. | 3453 |
19 |
| Schlenk Metallic Pigments GmbH | 46 |
19 |
| Sumitomo Metal Mining Co., Ltd. | 1760 |
19 |
| 3m Innovative Properties Company | 17848 |
13 |
| Giesecke+Devrient Currency Technology GmbH | 880 |
13 |
| Omya International AG | 767 |
12 |
| FUJIFILM Corporation | 29188 |
11 |
| DIC Corporation | 3742 |
11 |
| BASF Corporation | 1709 |
10 |
| BASF SE | 105 |
10 |
| ECKART America Corporation | 30 |
9 |
| Schaefer Kalk GmbH & Co. KG | 47 |
9 |
| Other owners | 820 |