- 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: 307
10-year publication summary
|
9
|
25
|
20
|
26
|
32
|
16
|
35
|
27
|
20
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kuraray Co., Ltd. | 3491 |
80 |
| Mitsubishi Chemical Corporation | 4492 |
18 |
| Japan VAM & Poval Co., Ltd. | 75 |
15 |
| Sekisui Chemical Co., Ltd. | 3378 |
15 |
| Denka Company Limited | 2536 |
12 |
| The Nippon Synthetic Chemical Industry Co., Ltd. | 303 |
10 |
| LG Chem, Ltd. | 17564 |
6 |
| Sekisui Specialty Chemicals America, LLC | 42 |
6 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 630 |
4 |
| Universite de Liege | 258 |
4 |
| The Procter & Gamble Company | 22050 |
3 |
| The Regents of the University of California | 19839 |
3 |
| Terumo Kabushiki Kaisha | 5506 |
3 |
| Clariant Finance (BVI) Limited | 393 |
3 |
| Solutia Inc. | 421 |
3 |
| Sun Chemical Corporation | 839 |
3 |
| UPM-Kymmene Corporation | 936 |
3 |
| Merck Patent GmbH | 5850 |
2 |
| FUJIFILM Corporation | 29251 |
2 |
| Toray Industries, Inc. | 6906 |
2 |
| Other owners | 110 |