- 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: 1939
10-year publication summary
|
101
|
115
|
165
|
187
|
173
|
166
|
161
|
126
|
144
|
88
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kuraray Co., Ltd. | 3510 |
295 |
| Mitsubishi Chemical Corporation | 4535 |
141 |
| The Nippon Synthetic Chemical Industry Co., Ltd. | 299 |
99 |
| MonoSol, LLC | 233 |
49 |
| Wacker Chemie AG | 2111 |
26 |
| Sekisui Chemical Co., Ltd. | 3440 |
25 |
| The Procter & Gamble Company | 22011 |
24 |
| The Yokohama Rubber Co., Ltd. | 4053 |
24 |
| LG Chem, Ltd. | 17643 |
23 |
| Denka Company Limited | 2602 |
20 |
| Dow Global Technologies LLC | 10394 |
19 |
| Aicello Corporation | 93 |
15 |
| Kimberly-clark Worldwide, Inc. | 5448 |
14 |
| Aquapak IP Limited | 28 |
14 |
| BASF SE | 20961 |
12 |
| FUJIFILM Corporation | 29506 |
12 |
| Sumitomo Chemical Company, Limited | 9051 |
12 |
| Chang Chun Petrochemical Co., Ltd. | 116 |
12 |
| Japan VAM & Poval Co., Ltd. | 75 |
12 |
| Sumitomo Seika Chemicals Co., Ltd. | 1044 |
12 |
| Other owners | 1079 |