- 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 1/48 - Carbon black
Patent holdings for IPC class C09C 1/48
Total number of patents in this class: 575
10-year publication summary
|
47
|
38
|
63
|
42
|
48
|
52
|
33
|
65
|
48
|
17
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Monolith Materials, Inc. | 112 |
52 |
| Cabot Corporation | 575 |
40 |
| Denka Company Limited | 2189 |
21 |
| Tokai Carbon Co., Ltd. | 99 |
15 |
| Suncoal Industries GmbH | 65 |
12 |
| Archer Daniels Midland Company | 1164 |
10 |
| Orion Engineered Carbons GmbH | 57 |
10 |
| Birla Carbon U.S.A., Inc. | 52 |
10 |
| IFP Energies Nouvelles | 2717 |
8 |
| LG Chem, Ltd. | 17205 |
7 |
| Bridgestone Corporation | 7067 |
7 |
| Black Bear Carbon B.V. | 14 |
6 |
| Carbon Technology Holdings, LLC | 185 |
6 |
| Konica Minolta Business Technologies, Inc. | 1564 |
5 |
| Living Ink Technologies, LLC | 7 |
5 |
| Pyrolyx AG | 7 |
5 |
| Tesla Nanocoatings, Inc. | 33 |
5 |
| UT-Battelle, LLC | 1333 |
5 |
| Green Carbon, Inc. | 11 |
5 |
| Evonik Carbon Black GmbH | 32 |
4 |
| Other owners | 337 |