- All sections
- C - Chemistrymetallurgy
- C08L - Compositions of macromolecular compounds
- C08L 65/00 - Compositions of macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chainCompositions of derivatives of such polymers
Patent holdings for IPC class C08L 65/00
Total number of patents in this class: 1558
10-year publication summary
|
114
|
109
|
114
|
88
|
81
|
63
|
63
|
64
|
101
|
39
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Chemical Company, Limited | 9009 |
150 |
| Zeon Corporation | 4072 |
119 |
| LG Chem, Ltd. | 17561 |
45 |
| Merck Patent GmbH | 5850 |
35 |
| Cambridge Display Technology Limited | 497 |
30 |
| FUJIFILM Corporation | 29228 |
26 |
| Panasonic Intellectual Property Management Co., Ltd. | 30967 |
20 |
| Mitsubishi Gas Chemical Company, Inc. | 3438 |
19 |
| Centre National de La Recherche Scientifique | 10321 |
15 |
| Bridgestone Corporation | 7217 |
14 |
| Plextronics, Inc. | 54 |
14 |
| Shin-Etsu Polymer Co., Ltd. | 456 |
14 |
| Sumation Co., Ltd. | 42 |
13 |
| Nissan Chemical Corporation | 1974 |
13 |
| Mitsui Chemicals, Inc. | 3197 |
12 |
| Soken Chemical & Engineering Co., Ltd. | 255 |
12 |
| Samsung SDI Co., Ltd. | 8048 |
11 |
| Nissan Chemical Industries, Ltd. | 1728 |
11 |
| RIMTEC Corporation | 66 |
11 |
| Resonac Corporation | 2680 |
11 |
| Other owners | 963 |