- All sections
- C - Chemistrymetallurgy
- 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: 544
10-year publication summary
|
54
|
53
|
38
|
41
|
24
|
42
|
43
|
27
|
30
|
22
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Arkema France | 4242 |
83 |
| Bridgestone Corporation | 7262 |
18 |
| Evonik Operations GmbH | 4368 |
15 |
| Mitsubishi Gas Chemical Company, Inc. | 3624 |
14 |
| Kolon Industries, Inc. | 1845 |
12 |
| Kaneka Corporation | 4713 |
11 |
| BASF SE | 21308 |
10 |
| Nippon Kayaku Kabushiki Kaisha | 1454 |
10 |
| California Institute of Technology | 4037 |
9 |
| Lubrizol Advanced Materials, Inc. | 955 |
9 |
| The University of Tokyo | 4369 |
9 |
| Boston Scientific Scimed, Inc. | 11169 |
8 |
| Ube Industries, Ltd. | 770 |
7 |
| Acushnet Company | 2711 |
6 |
| Toray Industries, Inc. | 7111 |
6 |
| INVISTA North America S.a.r.l. | 176 |
6 |
| Societe d'Exploitation de Produits pour Les Industries Chimiques SEPPIC | 412 |
6 |
| 3m Innovative Properties Company | 17481 |
5 |
| AstraZeneca AB | 2819 |
5 |
| Bostik SA | 678 |
5 |
| Other owners | 290 |