- All sections
- C - Chemistry; metallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 69/40 - Polyamides containing oxygen in the form of ether groups
Patent holdings for IPC class C08G 69/40
Total number of patents in this class: 484
10-year publication summary
|
42
|
44
|
54
|
53
|
38
|
41
|
23
|
41
|
41
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Arkema France | 3790 |
74 |
| Bridgestone Corporation | 7067 |
19 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
14 |
| Nippon Kayaku Kabushiki Kaisha | 1400 |
13 |
| Kolon Industries, Inc. | 1506 |
12 |
| Evonik Operations GmbH | 3879 |
12 |
| Kaneka Corporation | 4445 |
11 |
| BASF SE | 19740 |
9 |
| California Institute of Technology | 3884 |
9 |
| Lubrizol Advanced Materials, Inc. | 949 |
9 |
| The University of Tokyo | 3903 |
9 |
| Ube Industries, Ltd. | 921 |
8 |
| Toray Industries, Inc. | 6652 |
7 |
| AstraZeneca AB | 3042 |
6 |
| Acushnet Company | 2337 |
6 |
| Intezyne Technologies, Inc. | 59 |
6 |
| INVISTA North America S.a.r.l. | 182 |
6 |
| Societe d'Exploitation de Produits pour Les Industries Chimiques SEPPIC | 401 |
6 |
| Golden Lady Company S.p.A. | 287 |
5 |
| Nanocarrier Co., Ltd. | 55 |
5 |
| Other owners | 238 |