- All sections
- C - Chemistrymetallurgy
- 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: 528
10-year publication summary
|
39
|
48
|
53
|
49
|
36
|
25
|
35
|
14
|
22
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sekisui Chemical Co., Ltd. | 3603 |
142 |
| Kuraray Co., Ltd. | 3587 |
71 |
| Solutia Inc. | 402 |
56 |
| Kuraray Europe GmbH | 227 |
15 |
| 3m Innovative Properties Company | 17497 |
13 |
| Sumitomo Metal Mining Co., Ltd. | 1968 |
9 |
| Eastman Chemical Company | 2083 |
8 |
| SKC Co., Ltd. | 327 |
5 |
| BASF SE | 21313 |
4 |
| Rohm and Haas Company | 2952 |
4 |
| Lintec of America, Inc. | 159 |
4 |
| I4f Licensing NV | 366 |
4 |
| Eastman Kodak Company | 2609 |
3 |
| Arizona Board of Regents on behalf of Arizona State University | 2924 |
3 |
| Glass Techno Synergy Co., Ltd. | 4 |
3 |
| High Performance Optics, Inc. | 20 |
3 |
| Japan VAM & Poval Co., Ltd. | 80 |
3 |
| JNC Corporation | 1547 |
3 |
| Masuda Shoji Co., Ltd. | 4 |
3 |
| Shiga Prefecture | 9 |
3 |
| Other owners | 169 |