- All sections
- C - Chemistrymetallurgy
- C09C - Treatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling propertiespreparation of carbon black
- C09C 1/50 - Furnace black
Patent holdings for IPC class C09C 1/50
Total number of patents in this class: 140
10-year publication summary
|
7
|
11
|
10
|
12
|
10
|
6
|
11
|
11
|
15
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cabot Corporation | 550 |
34 |
| Orion Engineered Carbons GmbH | 59 |
15 |
| Monolith Materials, Inc. | 125 |
11 |
| Orion Engineered Carbons IP GmbH & Co. KG | 51 |
11 |
| Evonik Carbon Black GmbH | 30 |
6 |
| Tokai Carbon Co., Ltd. | 110 |
6 |
| OCI Company Ltd. | 144 |
5 |
| Carbonx IP 3 B.V. | 5 |
5 |
| Birla Carbon U.S.A., Inc. | 67 |
3 |
| Evonik Degussa GmbH | 1540 |
2 |
| Aditya Birla Nuvo Limited | 11 |
2 |
| Aditya Birla Science and Technology Company Limited | 14 |
2 |
| Arvos GmbH | 26 |
2 |
| FP-Pigments Oy | 31 |
2 |
| Pyrolyx AG | 5 |
2 |
| Sid Richardson Carbon, Ltd. | 4 |
2 |
| Aktiebolaget K.A. Ekström & Son | 3 |
2 |
| Circtec Knowledge Ltd. | 3 |
2 |
| ExxonMobil Research And Engineering Company | 2590 |
1 |
| Black Bear Carbon B.V. | 14 |
1 |
| Other owners | 24 |