- 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: 347
10-year publication summary
|
15
|
29
|
38
|
27
|
34
|
28
|
29
|
25
|
26
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bridgestone Corporation | 7232 |
13 |
| Harima Chemicals, Inc. | 203 |
12 |
| Henkel AG & Co. KGaA | 10720 |
10 |
| ARAKAWA Chemical Industries, Ltd. | 148 |
10 |
| Kraton Chemical, LLC | 89 |
10 |
| Denka Company Limited | 2697 |
9 |
| Dow Global Technologies LLC | 10750 |
8 |
| The Yokohama Rubber Co., Ltd. | 4100 |
8 |
| Senju Metal Industry Co., Ltd. | 687 |
8 |
| Sumitomo Rubber Industries, Ltd. | 4713 |
7 |
| Arizona Chemical Company, LLC | 29 |
7 |
| Eastman Chemical Company | 2088 |
7 |
| Kraton Corporation | 74 |
7 |
| Ennis-flint, Inc. | 107 |
7 |
| Kraton Polymers U.S. LLC | 181 |
6 |
| 3m Innovative Properties Company | 17519 |
5 |
| Kemira Oyj | 1231 |
5 |
| Adventus Material Strategies, LLC | 17 |
5 |
| Nitto Denko Corporation | 8458 |
4 |
| Ingevity South Carolina, LLC | 190 |
4 |
| Other owners | 195 |