- All sections
- C - Chemistry; metallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 65/30 - Post-polymerisation treatment, e.g. recovery, purification, drying
Patent holdings for IPC class C08G 65/30
Total number of patents in this class: 248
10-year publication summary
|
16
|
15
|
17
|
25
|
17
|
14
|
20
|
11
|
14
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 19740 |
17 |
| NOK Corporation | 2108 |
15 |
| Covestro LLC | 577 |
10 |
| INVISTA Technologies S.a.r.l. | 450 |
10 |
| Dow Global Technologies LLC | 10147 |
9 |
| Huntsman International LLC | 708 |
9 |
| Daikin Industries, Ltd. | 9495 |
7 |
| Nektar Therapeutics | 503 |
6 |
| Solvay Specialty Polymers Italy S.p.A. | 704 |
6 |
| Dow Global Technologies Inc. | 1055 |
5 |
| Mitsubishi Chemical Corporation | 4313 |
5 |
| Kaneka Corporation | 4445 |
5 |
| Solvay Solexis S.p.A. | 137 |
5 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
4 |
| Genentech, Inc. | 3742 |
4 |
| Bayer MaterialScience AG | 874 |
4 |
| Covestro Deutschland AG | 2429 |
4 |
| NOF Corporation | 194 |
4 |
| Sumitomo Seika Chemicals Co., Ltd. | 1028 |
4 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
3 |
| Other owners | 112 |