- 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: 2043
10-year publication summary
|
131
|
170
|
194
|
184
|
181
|
175
|
143
|
157
|
137
|
80
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kuraray Co., Ltd. | 3591 |
301 |
| Mitsubishi Chemical Corporation | 4723 |
160 |
| The Nippon Synthetic Chemical Industry Co., Ltd. | 282 |
93 |
| MonoSol, LLC | 231 |
53 |
| The Procter & Gamble Company | 21849 |
35 |
| Sekisui Chemical Co., Ltd. | 3619 |
27 |
| Wacker Chemie AG | 2109 |
26 |
| LG Chem, Ltd. | 17929 |
24 |
| The Yokohama Rubber Co., Ltd. | 4116 |
24 |
| Dow Global Technologies LLC | 10960 |
20 |
| Denka Company Limited | 2728 |
20 |
| Aquapak IP Limited | 29 |
15 |
| Kimberly-clark Worldwide, Inc. | 5305 |
14 |
| Japan VAM & Poval Co., Ltd. | 81 |
14 |
| BASF SE | 21308 |
12 |
| FUJIFILM Corporation | 30516 |
12 |
| Sumitomo Chemical Company, Limited | 8968 |
12 |
| Aicello Corporation | 93 |
12 |
| Chang Chun Petrochemical Co., Ltd. | 121 |
12 |
| Sumitomo Seika Chemicals Co., Ltd. | 1043 |
12 |
| Other owners | 1145 |