- All sections
- C - Chemistrymetallurgy
- 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: 260
10-year publication summary
|
17
|
25
|
17
|
14
|
20
|
13
|
18
|
6
|
10
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 21303 |
22 |
| NOK Corporation | 2296 |
18 |
| Dow Global Technologies LLC | 10930 |
10 |
| Covestro LLC | 610 |
10 |
| Huntsman International LLC | 694 |
10 |
| INVISTA Technologies S.a.r.l. | 392 |
10 |
| Daikin Industries, Ltd. | 10478 |
7 |
| Solvay Specialty Polymers Italy S.p.A. | 656 |
6 |
| PCC Rokita SA | 34 |
6 |
| NOF Corporation | 219 |
5 |
| Sumitomo Seika Chemicals Co., Ltd. | 1044 |
5 |
| Shell Internationale Research Maatschappij B.V. | 3409 |
4 |
| Genentech, Inc. | 4099 |
4 |
| Bayer MaterialScience AG | 713 |
4 |
| Mitsubishi Chemical Corporation | 4721 |
4 |
| Covestro Deutschland AG | 2831 |
4 |
| Solvay Solexis S.p.A. | 80 |
4 |
| Evonik Operations GmbH | 4336 |
4 |
| Shin-Etsu Chemical Co., Ltd. | 6083 |
3 |
| Celanese Sales Germany GmbH | 128 |
3 |
| Other owners | 117 |