- All sections
- C - Chemistry; metallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 64/20 - General preparatory processes
Patent holdings for IPC class C08G 64/20
Total number of patents in this class: 158
10-year publication summary
12
|
13
|
7
|
14
|
12
|
9
|
14
|
10
|
6
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Idemitsu Kosan Co., Ltd. | 3995 |
13 |
Covestro Deutschland AG | 2429 |
13 |
Mitsubishi Gas Chemical Company, Inc. | 3188 |
13 |
LG Chem, Ltd. | 17205 |
11 |
Mitsubishi Chemical Corporation | 4313 |
11 |
SABIC Global Technologies B.V. | 4044 |
8 |
Cheil Industries Inc. | 944 |
7 |
SK Innovation Co., Ltd. | 1015 |
7 |
Sabic Innovative Plastics IP B.V. | 683 |
6 |
Asahi Kasei Kabushiki Kaisha | 2429 |
5 |
SK Global Chemical Co., Ltd. | 80 |
5 |
International Business Machines Corporation | 60644 |
4 |
The Board of Trustees of the Leland Stanford Junior University | 6054 |
4 |
Lotte Chemical Corporation | 591 |
4 |
Saudi Basic Industries Corporation | 625 |
3 |
Samyang Corporation | 368 |
3 |
SK Chemicals Co., Ltd. | 568 |
3 |
Lotte Advanced Materials Co., Ltd. | 434 |
3 |
Bayer MaterialScience AG | 874 |
2 |
Dow Global Technologies LLC | 10147 |
2 |
Other owners | 31 |