- All sections
- C - Chemistry; metallurgy
- C08L - Compositions of macromolecular compounds
- C08L 81/04 - Polysulfides
Patent holdings for IPC class C08L 81/04
Total number of patents in this class: 323
10-year publication summary
|
37
|
24
|
29
|
35
|
31
|
25
|
22
|
19
|
27
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ticona LLC | 547 |
38 |
| Toray Industries, Inc. | 6652 |
30 |
| PRC-DeSoto International, Inc. | 567 |
24 |
| Solvay Specialty Polymers USA, LLC | 521 |
15 |
| The Arizona Board of Regents on Behalf of the University of Arizona | 1906 |
12 |
| DIC Corporation | 3597 |
11 |
| 3m Innovative Properties Company | 18406 |
8 |
| BASF SE | 19740 |
8 |
| SHPP Global Technologies B.V. | 1045 |
8 |
| Polyplastics Co., Ltd. | 563 |
7 |
| The Boeing Company | 19843 |
6 |
| Toray Fine Chemicals Co., Ltd. | 79 |
6 |
| The Yokohama Rubber Co., Ltd. | 3929 |
6 |
| Eaton Intelligent Power Limited | 6113 |
5 |
| PPG Industries Ohio, Inc. | 3430 |
4 |
| Sumitomo Rubber Industries, Ltd. | 4421 |
4 |
| Cytec Industries Inc. | 407 |
4 |
| Solvay Specialty Polymers Italy S.p.A. | 704 |
4 |
| Teijin Limited | 1216 |
4 |
| DSM IP Assets B.V. | 5856 |
3 |
| Other owners | 116 |