- 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: 1907
10-year publication summary
|
112
|
130
|
170
|
194
|
184
|
179
|
172
|
141
|
146
|
48
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kuraray Co., Ltd. | 3495 |
288 |
| Mitsubishi Chemical Corporation | 4473 |
136 |
| The Nippon Synthetic Chemical Industry Co., Ltd. | 305 |
101 |
| MonoSol, LLC | 235 |
49 |
| Wacker Chemie AG | 2102 |
26 |
| The Procter & Gamble Company | 22030 |
24 |
| The Yokohama Rubber Co., Ltd. | 4003 |
24 |
| LG Chem, Ltd. | 17538 |
23 |
| Sekisui Chemical Co., Ltd. | 3368 |
22 |
| Denka Company Limited | 2525 |
20 |
| Dow Global Technologies LLC | 10328 |
18 |
| Kimberly-clark Worldwide, Inc. | 5501 |
14 |
| Aicello Corporation | 91 |
13 |
| Aquapak IP Limited | 27 |
13 |
| BASF SE | 20728 |
12 |
| FUJIFILM Corporation | 29188 |
12 |
| Chang Chun Petrochemical Co., Ltd. | 113 |
12 |
| Sumitomo Seika Chemicals Co., Ltd. | 1030 |
12 |
| E. I. du Pont de Nemours and Company | 4131 |
11 |
| Japan VAM & Poval Co., Ltd. | 75 |
11 |
| Other owners | 1066 |