- All sections
- C - Chemistrymetallurgy
- C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08F 4/651 - Pretreating with non-metals or metal-free compounds
Patent holdings for IPC class C08F 4/651
Total number of patents in this class: 319
10-year publication summary
|
18
|
31
|
22
|
24
|
15
|
9
|
8
|
12
|
12
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Basell Poliolefine Italia S.r.l. | 945 |
97 |
| Borealis AG | 2734 |
54 |
| SABIC Global Technologies B.V. | 4632 |
40 |
| Dow Global Technologies LLC | 11072 |
25 |
| Saudi Basic Industries Corporation | 523 |
9 |
| China Petroleum & Chemical Corporation | 2190 |
9 |
| Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation | 293 |
8 |
| Borealis Technology Oy | 132 |
6 |
| Braskem America, Inc. | 243 |
5 |
| Lummus Novolen Technology GmbH | 77 |
4 |
| PetroChina Company Limited | 893 |
4 |
| Formosa Plastics Corporation, U.S.A. | 86 |
4 |
| Dow Global Technologies Inc. | 617 |
3 |
| Dalian University of Technology | 1611 |
3 |
| W.R. Grace & Co.-conn. | 354 |
3 |
| Yingkou Xiangyang Catalyst Co., Ltd | 8 |
3 |
| SHU, James, X. | 3 |
3 |
| BASF Corporation | 1682 |
2 |
| ExxonMobil Chemical Patents Inc. | 3756 |
2 |
| Mitsui Chemicals, Inc. | 3288 |
2 |
| Other owners | 33 |