- All sections
- C - Chemistry; metallurgy
- C08L - Compositions of macromolecular compounds
- C08L 65/00 - Compositions of macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain; Compositions of derivatives of such polymers
Patent holdings for IPC class C08L 65/00
Total number of patents in this class: 1496
10-year publication summary
|
92
|
114
|
109
|
113
|
88
|
81
|
63
|
63
|
64
|
30
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Chemical Company, Limited | 8808 |
149 |
| Zeon Corporation | 3854 |
112 |
| LG Chem, Ltd. | 17205 |
45 |
| Merck Patent GmbH | 5909 |
36 |
| Cambridge Display Technology Limited | 513 |
32 |
| FUJIFILM Corporation | 27102 |
27 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
18 |
| Centre National de La Recherche Scientifique | 9632 |
16 |
| Shin-Etsu Polymer Co., Ltd. | 446 |
16 |
| Mitsui Chemicals, Inc. | 3134 |
15 |
| Plextronics, Inc. | 58 |
15 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
14 |
| Sumation Co., Ltd. | 44 |
13 |
| Soken Chemical & Engineering Co., Ltd. | 249 |
12 |
| Nissan Chemical Corporation | 1725 |
12 |
| Kuraray Co., Ltd. | 3392 |
11 |
| Nissan Chemical Industries, Ltd. | 1822 |
11 |
| E. I. du Pont de Nemours and Company | 4345 |
10 |
| Samsung SDI Co., Ltd. | 6671 |
10 |
| Konica Minolta, Inc. | 8349 |
10 |
| Other owners | 912 |