- All sections
- C - Chemistrymetallurgy
- C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08F 16/06 - Polyvinyl alcohol
Patent holdings for IPC class C08F 16/06
Total number of patents in this class: 306
10-year publication summary
|
9
|
25
|
20
|
26
|
29
|
15
|
35
|
27
|
20
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kuraray Co., Ltd. | 3507 |
80 |
| Mitsubishi Chemical Corporation | 4528 |
18 |
| Sekisui Chemical Co., Ltd. | 3439 |
15 |
| Japan VAM & Poval Co., Ltd. | 75 |
14 |
| Denka Company Limited | 2596 |
12 |
| The Nippon Synthetic Chemical Industry Co., Ltd. | 299 |
9 |
| LG Chem, Ltd. | 17636 |
6 |
| Sekisui Specialty Chemicals America, LLC | 42 |
6 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 626 |
4 |
| Universite de Liege | 262 |
4 |
| The Procter & Gamble Company | 22031 |
3 |
| The Regents of the University of California | 20015 |
3 |
| Terumo Kabushiki Kaisha | 5566 |
3 |
| Clariant Finance (BVI) Limited | 386 |
3 |
| Solutia Inc. | 419 |
3 |
| Sun Chemical Corporation | 839 |
3 |
| UPM-Kymmene Corporation | 937 |
3 |
| Merck Patent GmbH | 5814 |
2 |
| FUJIFILM Corporation | 29489 |
2 |
| Toray Industries, Inc. | 6966 |
2 |
| Other owners | 111 |