- 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: 2692
10-year publication summary
|
194
|
182
|
173
|
169
|
184
|
186
|
149
|
147
|
135
|
49
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 19740 |
104 |
| Arkema France | 3790 |
91 |
| E. I. du Pont de Nemours and Company | 4345 |
76 |
| Toray Industries, Inc. | 6652 |
75 |
| Toyobo Co., Ltd. | 2286 |
53 |
| Unitika Ltd. | 441 |
50 |
| Ube Industries, Ltd. | 921 |
48 |
| Rhodia Operations | 1645 |
45 |
| DSM IP Assets B.V. | 5856 |
44 |
| The Yokohama Rubber Co., Ltd. | 3929 |
44 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
36 |
| Ems-patent AG | 177 |
34 |
| Mitsui Chemicals, Inc. | 3134 |
33 |
| Mitsubishi Engineering-Plastics Corporation | 311 |
33 |
| Toyota Boshoku Kabushiki Kaisha | 1304 |
33 |
| LG Chem, Ltd. | 17205 |
32 |
| Kuraray Co., Ltd. | 3392 |
31 |
| Bridgestone Corporation | 7067 |
28 |
| Acushnet Company | 2337 |
27 |
| Asahi Kasei Kabushiki Kaisha | 2429 |
26 |
| Other owners | 1749 |