- All sections
- C - Chemistry; metallurgy
- C08L - Compositions of macromolecular compounds
- C08L 29/04 - Polyvinyl alcohol; Partially 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: 1882
10-year publication summary
|
112
|
130
|
170
|
194
|
184
|
178
|
171
|
134
|
144
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kuraray Co., Ltd. | 3459 |
285 |
| Mitsubishi Chemical Corporation | 4430 |
126 |
| The Nippon Synthetic Chemical Industry Co., Ltd. | 306 |
101 |
| MonoSol, LLC | 235 |
49 |
| The Procter & Gamble Company | 22148 |
27 |
| Wacker Chemie AG | 2097 |
26 |
| LG Chem, Ltd. | 17620 |
24 |
| The Yokohama Rubber Co., Ltd. | 3959 |
24 |
| Sekisui Chemical Co., Ltd. | 3295 |
22 |
| Denka Company Limited | 2452 |
20 |
| Dow Global Technologies LLC | 10139 |
18 |
| Kimberly-clark Worldwide, Inc. | 5519 |
14 |
| Aicello Corporation | 88 |
13 |
| Chang Chun Petrochemical Co., Ltd. | 115 |
13 |
| BASF SE | 20367 |
12 |
| FUJIFILM Corporation | 28467 |
12 |
| Sumitomo Seika Chemicals Co., Ltd. | 1033 |
12 |
| E. I. du Pont de Nemours and Company | 4253 |
11 |
| Japan VAM & Poval Co., Ltd. | 74 |
11 |
| Plantic Technologies Ltd. | 47 |
11 |
| Other owners | 1051 |