- All sections
- C - Chemistrymetallurgy
- C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08F 4/658 - Pretreating with metals or metal-containing compounds with metals or metal-containing compounds, not provided for in a single group of groups
Patent holdings for IPC class C08F 4/658
Total number of patents in this class: 69
10-year publication summary
|
10
|
5
|
8
|
6
|
5
|
2
|
0
|
2
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toho Titanium Co., Ltd. | 250 |
12 |
| NOVA Chemicals (International) S.A. | 764 |
9 |
| Sumitomo Chemical Company, Limited | 9005 |
4 |
| Borealis AG | 2764 |
4 |
| Japan Polypropylene Corporation | 128 |
4 |
| SABIC Global Technologies B.V. | 4263 |
4 |
| Dow Global Technologies LLC | 10306 |
3 |
| Saudi Basic Industries Corporation | 575 |
3 |
| Institute of Chemistry, Chinese Academy of Sciences | 232 |
3 |
| LG Chem, Ltd. | 17519 |
2 |
| Equistar Chemicals, LP | 342 |
2 |
| PetroChina Company Limited | 651 |
2 |
| Versalis S.P.A. | 532 |
2 |
| Mitsui Chemicals, Inc. | 3195 |
1 |
| Basell Poliolefine Italia S.r.l. | 891 |
1 |
| Beijing Research Institute of Chemical Industry, China Petroleum and Chemical Corporation | 2 |
1 |
| Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation | 297 |
1 |
| Beijing University of Chemical Technology | 316 |
1 |
| Brown University | 641 |
1 |
| China Petroleum and Chemical Corporation | 12 |
1 |
| Other owners | 8 |