- All sections
- C - Chemistrymetallurgy
- C08L - Compositions of macromolecular compounds
- C08L 29/04 - Polyvinyl alcoholPartially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
Patent holdings for IPC class C08L 29/04
Total number of patents in this class: 2071
10-year publication summary
|
131
|
170
|
194
|
184
|
181
|
175
|
145
|
157
|
137
|
103
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kuraray Co., Ltd. | 3619 |
303 |
| Mitsubishi Chemical Corporation | 4774 |
165 |
| The Nippon Synthetic Chemical Industry Co., Ltd. | 280 |
93 |
| MonoSol, LLC | 232 |
53 |
| The Procter & Gamble Company | 21892 |
35 |
| Sekisui Chemical Co., Ltd. | 3671 |
28 |
| Wacker Chemie AG | 2126 |
26 |
| LG Chem, Ltd. | 18005 |
25 |
| The Yokohama Rubber Co., Ltd. | 4126 |
24 |
| Dow Global Technologies LLC | 11106 |
20 |
| Denka Company Limited | 2779 |
20 |
| Japan VAM & Poval Co., Ltd. | 82 |
15 |
| Aquapak IP Limited | 29 |
15 |
| Kimberly-clark Worldwide, Inc. | 5264 |
14 |
| Aicello Corporation | 98 |
13 |
| BASF SE | 21339 |
12 |
| FUJIFILM Corporation | 30866 |
12 |
| Chang Chun Petrochemical Co., Ltd. | 122 |
12 |
| Plantic Technologies Ltd. | 47 |
12 |
| Sumitomo Seika Chemicals Co., Ltd. | 1059 |
12 |
| Other owners | 1162 |