- All sections
- C - Chemistry; metallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 64/34 - General preparatory processes using carbon dioxide and cyclic ethers
Patent holdings for IPC class C08G 64/34
Total number of patents in this class: 456
10-year publication summary
|
47
|
51
|
36
|
38
|
42
|
37
|
37
|
27
|
27
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Covestro Deutschland AG | 2429 |
72 |
| LG Chem, Ltd. | 17205 |
45 |
| Saudi Aramco Technologies Company | 107 |
43 |
| Econic Technologies Ltd | 39 |
31 |
| SK Innovation Co., Ltd. | 1015 |
27 |
| King Abdullah University of Science and Technology | 1703 |
16 |
| Covestro Intellectual Property GmbH & Co. KG | 501 |
12 |
| Bayer Intellectual Property GmbH | 2671 |
11 |
| Sumitomo Seika Chemicals Co., Ltd. | 1028 |
11 |
| Novomer, Inc. | 198 |
9 |
| Repsol, S.A. | 413 |
9 |
| SK Global Chemical Co., Ltd. | 80 |
9 |
| BASF SE | 19740 |
8 |
| Bayer MaterialScience AG | 874 |
7 |
| ENI S.p.A. | 1241 |
7 |
| SK Geo Centric Co., Ltd. | 178 |
7 |
| Dow Global Technologies LLC | 10147 |
6 |
| National University Corporation Tokyo University of Agriculture and Technology | 341 |
6 |
| The University of Tokyo | 3903 |
5 |
| Zhejiang University | 2619 |
5 |
| Other owners | 110 |