- All sections
- C - Chemistry; metallurgy
- C08L - Compositions of macromolecular compounds
- C08L 29/14 - Homopolymers or copolymers of acetals or ketals obtained by polymerisation of unsaturated acetals or ketals or by after-treatment of polymers of unsaturated alcohols
Patent holdings for IPC class C08L 29/14
Total number of patents in this class: 513
10-year publication summary
|
39
|
58
|
39
|
48
|
53
|
49
|
36
|
25
|
33
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sekisui Chemical Co., Ltd. | 3159 |
127 |
| Kuraray Co., Ltd. | 3392 |
68 |
| Solutia Inc. | 410 |
60 |
| 3m Innovative Properties Company | 18406 |
13 |
| Kuraray Europe GmbH | 205 |
12 |
| Sumitomo Metal Mining Co., Ltd. | 1670 |
9 |
| Eastman Chemical Company | 2239 |
7 |
| Rohm and Haas Company | 2805 |
5 |
| SKC Co., Ltd. | 311 |
5 |
| Lintec of America, Inc. | 158 |
4 |
| I4f Licensing NV | 222 |
4 |
| E.I. DuPont de Nemours and Company | 468 |
4 |
| BASF SE | 19740 |
3 |
| E. I. du Pont de Nemours and Company | 4345 |
3 |
| Eastman Kodak Company | 3444 |
3 |
| Murata Manufacturing Co., Ltd. | 22355 |
3 |
| Arizona Board of Regents on behalf of Arizona State University | 2226 |
3 |
| Glass Techno Synergy Co., Ltd. | 3 |
3 |
| High Performance Optics, Inc. | 30 |
3 |
| Japan VAM & Poval Co., Ltd. | 70 |
3 |
| Other owners | 171 |