- All sections
- C - Chemistry; metallurgy
- C08L - Compositions of macromolecular compounds
- C08L 93/04 - Rosin
Patent holdings for IPC class C08L 93/04
Total number of patents in this class: 305
10-year publication summary
|
22
|
25
|
16
|
31
|
39
|
27
|
36
|
31
|
30
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bridgestone Corporation | 7067 |
12 |
| Henkel AG & Co. KGaA | 10129 |
11 |
| Harima Chemicals, Inc. | 202 |
10 |
| Kraton Chemical, LLC | 92 |
10 |
| ARAKAWA Chemical Industries, Ltd. | 145 |
8 |
| Eastman Chemical Company | 2239 |
8 |
| Ennis-flint, Inc. | 104 |
8 |
| Sumitomo Rubber Industries, Ltd. | 4421 |
7 |
| The Yokohama Rubber Co., Ltd. | 3929 |
7 |
| Arizona Chemical Company, LLC | 29 |
7 |
| Kraton Polymers U.S. LLC | 204 |
7 |
| Senju Metal Industry Co., Ltd. | 654 |
7 |
| 3m Innovative Properties Company | 18406 |
6 |
| Dow Global Technologies LLC | 10147 |
6 |
| Denka Company Limited | 2189 |
6 |
| Ingevity South Carolina, LLC | 232 |
6 |
| Nitto Denko Corporation | 7879 |
5 |
| Adventus Material Strategies, LLC | 20 |
5 |
| The Goodyear Tire & Rubber Company | 2569 |
4 |
| Kraton Corporation | 36 |
4 |
| Other owners | 161 |