- All sections
- C - Chemistry; metallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 65/325 - Polymers modified by chemical after-treatment with inorganic compounds containing nitrogen
Patent holdings for IPC class C08G 65/325
Total number of patents in this class: 95
10-year publication summary
|
5
|
6
|
7
|
14
|
8
|
6
|
12
|
4
|
2
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hanmi Pharm. Co., Ltd. | 546 |
6 |
| Huntsman Petrochemical LLC | 276 |
6 |
| Wanhua Chemical Group Co., Ltd. | 286 |
4 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
3 |
| NOK Corporation | 2108 |
3 |
| Sun Chemical Corporation | 865 |
3 |
| Zeon Corporation | 3854 |
3 |
| 3m Innovative Properties Company | 18406 |
2 |
| Daikin Industries, Ltd. | 9495 |
2 |
| Asahi Glass Company, Limited | 2985 |
2 |
| Eth Zurich | 1193 |
2 |
| Korea Research Institute of Chemical Technology | 1266 |
2 |
| M-I L.L.C. | 893 |
2 |
| Solvay Specialty Polymers Italy S.p.A. | 704 |
2 |
| Stichting Katholieke Universiteit | 119 |
2 |
| Ip2ipo Innovations Limited | 164 |
2 |
| E. I. du Pont de Nemours and Company | 4345 |
1 |
| Massachusetts Institute of Technology | 9795 |
1 |
| Rohm and Haas Company | 2805 |
1 |
| Showa Denko K.K. | 2539 |
1 |
| Other owners | 45 |