- All sections
- C - Chemistry; metallurgy
- C08L - Compositions of macromolecular compounds
- C08L 77/00 - Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
Patent holdings for IPC class C08L 77/00
Total number of patents in this class: 2678
10-year publication summary
|
182
|
173
|
168
|
185
|
186
|
151
|
148
|
135
|
127
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 20403 |
107 |
| Arkema France | 3889 |
96 |
| E. I. du Pont de Nemours and Company | 4251 |
75 |
| Toray Industries, Inc. | 6848 |
75 |
| Toyobo Co., Ltd. | 2423 |
53 |
| Unitika Ltd. | 444 |
49 |
| The Yokohama Rubber Co., Ltd. | 3962 |
45 |
| Ube Industries, Ltd. | 880 |
45 |
| Rhodia Operations | 1588 |
44 |
| DSM IP Assets B.V. | 5822 |
40 |
| Mitsubishi Gas Chemical Company, Inc. | 3345 |
36 |
| Mitsui Chemicals, Inc. | 3189 |
35 |
| Toyota Boshoku Kabushiki Kaisha | 1361 |
35 |
| Ems-patent AG | 176 |
34 |
| Kuraray Co., Ltd. | 3461 |
34 |
| LG Chem, Ltd. | 17637 |
32 |
| Asahi Kasei Kabushiki Kaisha | 2566 |
31 |
| Mitsubishi Engineering-Plastics Corporation | 310 |
30 |
| Bridgestone Corporation | 7144 |
28 |
| Acushnet Company | 2429 |
27 |
| Other owners | 1727 |