- 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: 2022
10-year publication summary
|
116
|
165
|
187
|
173
|
166
|
164
|
127
|
147
|
128
|
48
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kuraray Co., Ltd. | 3564 |
298 |
| Mitsubishi Chemical Corporation | 4676 |
159 |
| The Nippon Synthetic Chemical Industry Co., Ltd. | 286 |
95 |
| MonoSol, LLC | 235 |
57 |
| The Procter & Gamble Company | 21905 |
32 |
| Sekisui Chemical Co., Ltd. | 3581 |
26 |
| Wacker Chemie AG | 2102 |
26 |
| LG Chem, Ltd. | 17822 |
24 |
| The Yokohama Rubber Co., Ltd. | 4101 |
24 |
| Denka Company Limited | 2700 |
20 |
| Dow Global Technologies LLC | 10770 |
19 |
| Aquapak IP Limited | 29 |
15 |
| Kimberly-clark Worldwide, Inc. | 5281 |
14 |
| Japan VAM & Poval Co., Ltd. | 79 |
14 |
| BASF SE | 21113 |
12 |
| FUJIFILM Corporation | 30244 |
12 |
| Sumitomo Chemical Company, Limited | 9045 |
12 |
| Aicello Corporation | 93 |
12 |
| Chang Chun Petrochemical Co., Ltd. | 120 |
12 |
| Sumitomo Seika Chemicals Co., Ltd. | 1052 |
12 |
| Other owners | 1127 |