- All sections
- C - Chemistrymetallurgy
- C08L - Compositions of macromolecular compounds
- C08L 77/00 - Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chainCompositions of derivatives of such polymers
Patent holdings for IPC class C08L 77/00
Total number of patents in this class: 2645
10-year publication summary
|
173
|
168
|
185
|
187
|
152
|
150
|
137
|
127
|
100
|
45
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 21303 |
101 |
| Arkema France | 4242 |
101 |
| Toray Industries, Inc. | 7113 |
70 |
| E. I. du Pont de Nemours and Company | 3534 |
66 |
| Toyobo Co., Ltd. | 2535 |
48 |
| Unitika Ltd. | 447 |
45 |
| Rhodia Operations | 1494 |
43 |
| The Yokohama Rubber Co., Ltd. | 4114 |
41 |
| Ube Industries, Ltd. | 770 |
40 |
| LG Chem, Ltd. | 17921 |
39 |
| Mitsubishi Gas Chemical Company, Inc. | 3622 |
39 |
| Asahi Kasei Kabushiki Kaisha | 2833 |
38 |
| Mitsui Chemicals, Inc. | 3246 |
37 |
| Toyota Boshoku Kabushiki Kaisha | 1498 |
36 |
| Ems-patent AG | 172 |
34 |
| Kuraray Co., Ltd. | 3589 |
32 |
| Bridgestone Corporation | 7259 |
29 |
| Ube Corporation | 449 |
29 |
| DSM IP Assets B.V. | 5379 |
28 |
| Mitsubishi Engineering-Plastics Corporation | 300 |
26 |
| Other owners | 1723 |