- 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: 1590
10-year publication summary
|
109
|
114
|
88
|
81
|
64
|
64
|
65
|
103
|
75
|
51
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Chemical Company, Limited | 8989 |
145 |
| Zeon Corporation | 4179 |
115 |
| LG Chem, Ltd. | 17978 |
45 |
| Merck Patent GmbH | 5755 |
35 |
| Cambridge Display Technology Limited | 475 |
28 |
| FUJIFILM Corporation | 30774 |
25 |
| Panasonic Intellectual Property Management Co., Ltd. | 34568 |
25 |
| Bridgestone Corporation | 7275 |
19 |
| Mitsubishi Gas Chemical Company, Inc. | 3650 |
19 |
| Resonac Corporation | 3739 |
15 |
| Centre National de La Recherche Scientifique | 11122 |
14 |
| Plextronics, Inc. | 49 |
14 |
| Shin-Etsu Polymer Co., Ltd. | 452 |
14 |
| Mitsui Chemicals, Inc. | 3283 |
13 |
| Sumation Co., Ltd. | 38 |
13 |
| Nissan Chemical Corporation | 2294 |
13 |
| Samsung SDI Co., Ltd. | 10924 |
12 |
| Soken Chemical & Engineering Co., Ltd. | 260 |
12 |
| Nissan Chemical Industries, Ltd. | 1629 |
11 |
| Konica Minolta, Inc. | 9194 |
10 |
| Other owners | 993 |