- All sections
- C - Chemistrymetallurgy
- C09C - Treatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling propertiespreparation of carbon black
- C09C 1/48 - Carbon black
Patent holdings for IPC class C09C 1/48
Total number of patents in this class: 666
10-year publication summary
| 34 | 51 | 39 | 41 | 46 | 32 | 62 | 47 | 63 | 50 | 
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 
Principal owners for this class
| Owner | All patents | This class | 
|---|---|---|
| Monolith Materials, Inc. | 123 | 63 | 
| Cabot Corporation | 556 | 42 | 
| Denka Company Limited | 2634 | 24 | 
| Orion Engineered Carbons GmbH | 67 | 19 | 
| Tokai Carbon Co., Ltd. | 108 | 17 | 
| Bridgestone Corporation | 7218 | 14 | 
| Suncoal Industries GmbH | 77 | 14 | 
| Birla Carbon U.S.A., Inc. | 66 | 13 | 
| Archer Daniels Midland Company | 1131 | 10 | 
| IFP Energies Nouvelles | 2965 | 10 | 
| LG Chem, Ltd. | 17674 | 7 | 
| Orion Engineered Carbons IP GmbH & Co. KG | 55 | 7 | 
| Nabors Energy Transition Solutions LLC | 72 | 7 | 
| Black Bear Carbon B.V. | 14 | 6 | 
| Living Ink Technologies, LLC | 8 | 6 | 
| Group14 Technologies, Inc. | 112 | 5 | 
| Pyrolyx AG | 5 | 5 | 
| Tesla Nanocoatings, Inc. | 33 | 5 | 
| UT-Battelle, LLC | 1470 | 5 | 
| Carbon Technology Holdings, LLC | 216 | 5 | 
| Other owners | 382 | 
