- 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 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: 1382
10-year publication summary
|
97
|
94
|
108
|
99
|
98
|
106
|
82
|
75
|
74
|
27
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Merck Patent GmbH | 5909 |
97 |
| ECKART GmbH | 331 |
92 |
| Viavi Solutions Inc. | 1363 |
63 |
| Sun Chemical Corporation | 865 |
33 |
| Nippon Sheet Glass Company, Limited | 992 |
29 |
| Cqv Co., Ltd. | 70 |
25 |
| BASF SE | 19740 |
24 |
| Schlenk Metallic Pigments GmbH | 44 |
20 |
| PPG Industries Ohio, Inc. | 3430 |
19 |
| Sun Chemical B.V. | 351 |
16 |
| 3m Innovative Properties Company | 18406 |
14 |
| Sumitomo Metal Mining Co., Ltd. | 1670 |
14 |
| Omya International AG | 816 |
12 |
| FUJIFILM Corporation | 27102 |
11 |
| DIC Corporation | 3597 |
11 |
| Giesecke+Devrient Currency Technology GmbH | 817 |
11 |
| BASF Corporation | 2039 |
10 |
| Sumitomo Osaka Cement Co., Ltd. | 783 |
10 |
| BASF SE | 105 |
10 |
| Hewlett-Packard Development Company, L.P. | 28538 |
9 |
| Other owners | 852 |