- 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: 2639
10-year publication summary
|
161
|
160
|
175
|
180
|
141
|
146
|
133
|
126
|
99
|
13
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 21113 |
102 |
| Arkema France | 4181 |
100 |
| Toray Industries, Inc. | 7038 |
70 |
| E. I. du Pont de Nemours and Company | 3677 |
69 |
| Toyobo Co., Ltd. | 2518 |
48 |
| Unitika Ltd. | 442 |
45 |
| Rhodia Operations | 1523 |
43 |
| The Yokohama Rubber Co., Ltd. | 4101 |
41 |
| Mitsubishi Gas Chemical Company, Inc. | 3587 |
40 |
| Ube Industries, Ltd. | 790 |
40 |
| LG Chem, Ltd. | 17822 |
38 |
| Asahi Kasei Kabushiki Kaisha | 2779 |
36 |
| Toyota Boshoku Kabushiki Kaisha | 1484 |
36 |
| Mitsui Chemicals, Inc. | 3217 |
34 |
| Ems-patent AG | 172 |
34 |
| Kuraray Co., Ltd. | 3564 |
31 |
| DSM IP Assets B.V. | 5429 |
30 |
| Bridgestone Corporation | 7234 |
29 |
| Ube Corporation | 433 |
28 |
| Mitsubishi Engineering-Plastics Corporation | 301 |
27 |
| Other owners | 1718 |