- All sections
- C - Chemistry; metallurgy
- C08L - Compositions of macromolecular compounds
- C08L 27/18 - Homopolymers or copolymers of tetrafluoroethene
Patent holdings for IPC class C08L 27/18
Total number of patents in this class: 1460
10-year publication summary
|
74
|
75
|
78
|
97
|
132
|
143
|
136
|
141
|
124
|
40
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Daikin Industries, Ltd. | 9495 |
199 |
| Agc, Inc. | 4029 |
118 |
| 3m Innovative Properties Company | 18406 |
68 |
| Solvay Specialty Polymers Italy S.p.A. | 704 |
44 |
| Asahi Glass Company, Limited | 2985 |
39 |
| E. I. du Pont de Nemours and Company | 4345 |
35 |
| W. L. Gore & Associates, Inc. | 2600 |
29 |
| Kingfa SCI & Tech Co. Ltd. | 509 |
24 |
| The Chemours Company Fc, LLC | 1107 |
22 |
| Nitto Denko Corporation | 7879 |
21 |
| Idemitsu Kosan Co., Ltd. | 3995 |
20 |
| Dow Global Technologies LLC | 10147 |
16 |
| NOK Corporation | 2108 |
16 |
| Oiles Corporation | 515 |
13 |
| Chemours-mitsui Fluoroproducts Co., Ltd. | 63 |
13 |
| Saint-Gobain Performance Plastics Corporation | 1028 |
11 |
| Dupont-mitsui Fluorochemicals Co. Ltd. | 50 |
10 |
| Toray Industries, Inc. | 6652 |
9 |
| AGC Chemicals Americas, Inc. | 39 |
9 |
| Junkosha Inc. | 143 |
9 |
| Other owners | 735 |