- 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: 513
10-year publication summary
58
|
39
|
48
|
53
|
49
|
36
|
25
|
33
|
14
|
8
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Sekisui Chemical Co., Ltd. | 3381 |
136 |
Kuraray Co., Ltd. | 3496 |
67 |
Solutia Inc. | 421 |
60 |
3m Innovative Properties Company | 17853 |
13 |
Kuraray Europe GmbH | 220 |
12 |
Sumitomo Metal Mining Co., Ltd. | 1764 |
9 |
Eastman Chemical Company | 2215 |
7 |
Rohm and Haas Company | 2916 |
5 |
SKC Co., Ltd. | 324 |
5 |
Lintec of America, Inc. | 157 |
4 |
I4f Licensing NV | 281 |
4 |
SK Microworks Co., Ltd. | 148 |
4 |
BASF SE | 20874 |
3 |
E. I. du Pont de Nemours and Company | 4107 |
3 |
Eastman Kodak Company | 2915 |
3 |
Arizona Board of Regents on behalf of Arizona State University | 2592 |
3 |
Glass Techno Synergy Co., Ltd. | 3 |
3 |
High Performance Optics, Inc. | 27 |
3 |
Japan VAM & Poval Co., Ltd. | 75 |
3 |
JNC Corporation | 1551 |
3 |
Other owners | 163 |