- 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 1/50 - Furnace black
Patent holdings for IPC class C09C 1/50
Total number of patents in this class: 123
10-year publication summary
11
|
7
|
11
|
10
|
12
|
10
|
6
|
11
|
10
|
5
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Cabot Corporation | 575 |
32 |
Orion Engineered Carbons GmbH | 57 |
16 |
Monolith Materials, Inc. | 112 |
10 |
Evonik Carbon Black GmbH | 32 |
6 |
Carbonx IP 3 B.V. | 5 |
5 |
Tokai Carbon Co., Ltd. | 99 |
4 |
OCI Company Ltd. | 131 |
3 |
Birla Carbon U.S.A., Inc. | 52 |
3 |
Orion Engineered Carbons IP GmbH & Co. KG | 29 |
3 |
Evonik Degussa GmbH | 1574 |
2 |
Aditya Birla Nuvo Limited | 11 |
2 |
Aditya Birla Science and Technology Company Limited | 14 |
2 |
Arvos GmbH | 20 |
2 |
FP-Pigments Oy | 33 |
2 |
Pyrolyx AG | 7 |
2 |
Sid Richardson Carbon, Ltd. | 4 |
2 |
Aktiebolaget K.A. Ekström & Son | 3 |
2 |
Circtec Knowledge Ltd. | 3 |
2 |
ExxonMobil Research And Engineering Company | 2830 |
1 |
Black Bear Carbon B.V. | 14 |
1 |
Other owners | 21 |