- All sections
- C - Chemistrymetallurgy
- C08L - Compositions of macromolecular compounds
- C08L 93/04 - Rosin
Patent holdings for IPC class C08L 93/04
Total number of patents in this class: 326
10-year publication summary
25
|
16
|
31
|
39
|
28
|
36
|
31
|
31
|
25
|
10
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Bridgestone Corporation | 7217 |
13 |
Harima Chemicals, Inc. | 204 |
11 |
Kraton Chemical, LLC | 91 |
10 |
Henkel AG & Co. KGaA | 10451 |
9 |
ARAKAWA Chemical Industries, Ltd. | 152 |
9 |
Denka Company Limited | 2533 |
9 |
Eastman Chemical Company | 2254 |
8 |
Senju Metal Industry Co., Ltd. | 675 |
8 |
Dow Global Technologies LLC | 10354 |
7 |
Sumitomo Rubber Industries, Ltd. | 4483 |
7 |
The Yokohama Rubber Co., Ltd. | 4013 |
7 |
Arizona Chemical Company, LLC | 29 |
7 |
Kraton Polymers U.S. LLC | 199 |
7 |
Ennis-flint, Inc. | 100 |
7 |
Ingevity South Carolina, LLC | 239 |
6 |
3m Innovative Properties Company | 17849 |
5 |
Nitto Denko Corporation | 8182 |
5 |
Adventus Material Strategies, LLC | 20 |
5 |
The Goodyear Tire & Rubber Company | 2570 |
4 |
Kemira Oyj | 1194 |
4 |
Other owners | 178 |