- All sections
- C - Chemistry; metallurgy
- C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08F 297/04 - Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type polymerising vinyl aromatic monomers and conjugated dienes
Patent holdings for IPC class C08F 297/04
Total number of patents in this class: 650
10-year publication summary
52
|
41
|
61
|
60
|
70
|
61
|
50
|
44
|
29
|
11
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Zeon Corporation | 3854 |
96 |
Kuraray Co., Ltd. | 3392 |
88 |
Asahi Kasei Kabushiki Kaisha | 2429 |
48 |
LG Chem, Ltd. | 17205 |
25 |
INEOS Styrolution Group GmbH | 325 |
22 |
Kraton Polymers U.S. LLC | 204 |
18 |
Amyris, Inc. | 368 |
15 |
Bridgestone Corporation | 7067 |
13 |
Asahi Kasei Chemicals Corporation | 809 |
13 |
Denka Company Limited | 2189 |
13 |
Dynasol Elastomeros, S.A. de C.V. | 41 |
13 |
3m Innovative Properties Company | 18406 |
12 |
Bank of America, N.A. | 274 |
12 |
BASF SE | 19740 |
10 |
JSR Corporation | 2476 |
8 |
The Yokohama Rubber Co., Ltd. | 3929 |
8 |
China Petroleum & Chemical Corporation | 1623 |
7 |
Nippon Soda Co., Ltd. | 890 |
7 |
Compagnie Generale des Etablissements Michelin | 4450 |
7 |
Dow Global Technologies Inc. | 1055 |
6 |
Other owners | 209 |