- All sections
- C - Chemistry; metallurgy
- C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08F 4/642 - Component covered by group with an organo-aluminium compound
Patent holdings for IPC class C08F 4/642
Total number of patents in this class: 522
10-year publication summary
|
28
|
24
|
30
|
60
|
61
|
25
|
24
|
18
|
13
|
10
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ExxonMobil Chemical Patents Inc. | 4286 |
70 |
| LG Chem, Ltd. | 17205 |
55 |
| Chevron Phillips Chemical Company LP | 1779 |
35 |
| Dow Global Technologies LLC | 10147 |
31 |
| NOVA Chemicals (International) S.A. | 717 |
22 |
| Hanwha Chemical Corporation | 325 |
21 |
| Univation Technologies, LLC | 667 |
15 |
| Basell Polyolefine GmbH | 575 |
13 |
| SABIC SK Nexlene Company Pte. Ltd. | 79 |
13 |
| China Petroleum & Chemical Corporation | 1623 |
12 |
| Mitsui Chemicals, Inc. | 3134 |
11 |
| Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation | 297 |
11 |
| FINA Technology, Inc. | 571 |
10 |
| W. R. Grace & Co.-Conn. | 299 |
9 |
| W.R. Grace & Co.-conn. | 372 |
9 |
| Borealis AG | 2558 |
8 |
| Arlanxeo Netherlands B.V. | 69 |
7 |
| Basell Poliolefine Italia S.r.l. | 867 |
7 |
| Lotte Chemical Corporation | 591 |
6 |
| PetroChina Company Limited | 462 |
6 |
| Other owners | 151 |