- All sections
- C - Chemistrymetallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 64/00 - Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
Patent holdings for IPC class C08G 64/00
Total number of patents in this class: 472
10-year publication summary
|
18
|
12
|
13
|
15
|
6
|
15
|
13
|
8
|
5
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Gas Chemical Company, Inc. | 3634 |
30 |
| SHPP Global Technologies B.V. | 1104 |
28 |
| Mitsubishi Chemical Corporation | 4734 |
24 |
| Covestro Deutschland AG | 2844 |
21 |
| Idemitsu Kosan Co., Ltd. | 4257 |
17 |
| Saudi Aramco Technologies Company | 113 |
16 |
| Mitsubishi Rayon Co., Ltd. | 851 |
13 |
| SABIC Global Technologies B.V. | 4611 |
13 |
| Teijin Limited | 1290 |
12 |
| ALPEK POLYESTER, S.A. de C.V. | 101 |
8 |
| LG Chem, Ltd. | 17950 |
7 |
| SK Innovation Co., Ltd. | 1489 |
7 |
| Lotte Advanced Materials Co., Ltd. | 398 |
7 |
| DuPont Safety & Construction, Inc. | 679 |
7 |
| Asahi Kasei Kabushiki Kaisha | 2840 |
6 |
| Teijin Chemicals Ltd. | 84 |
6 |
| Agc, Inc. | 5577 |
6 |
| International Business Machines Corporation | 62748 |
5 |
| Toray Industries, Inc. | 7139 |
5 |
| Eastman Chemical Company | 2094 |
5 |
| Other owners | 229 |