- All sections
- C - Chemistry; metallurgy
- C08L - Compositions of macromolecular compounds
- C08L 77/06 - Polyamides derived from polyamines and polycarboxylic acids
Patent holdings for IPC class C08L 77/06
Total number of patents in this class: 2231
10-year publication summary
|
195
|
192
|
153
|
159
|
204
|
183
|
193
|
171
|
172
|
52
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Arkema France | 3790 |
166 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
135 |
| BASF SE | 19740 |
116 |
| Ems-patent AG | 177 |
83 |
| DSM IP Assets B.V. | 5856 |
79 |
| E. I. du Pont de Nemours and Company | 4345 |
67 |
| Kingfa SCI & Tech Co. Ltd. | 509 |
66 |
| Ascend Performance Materials Operations LLC | 260 |
52 |
| Solvay Specialty Polymers USA, LLC | 521 |
51 |
| Kuraray Co., Ltd. | 3392 |
48 |
| Rhodia Operations | 1645 |
48 |
| Toray Industries, Inc. | 6652 |
33 |
| Evonik Operations GmbH | 3879 |
32 |
| Toyobo Co., Ltd. | 2286 |
31 |
| Asahi Kasei Kabushiki Kaisha | 2429 |
30 |
| Mitsui Chemicals, Inc. | 3134 |
28 |
| Performance Polyamides, SAS | 71 |
28 |
| DuPont Polymers, Inc. | 338 |
22 |
| Asahi Kasei Chemicals Corporation | 809 |
21 |
| Unitika Ltd. | 441 |
21 |
| Other owners | 1074 |