- All sections
- C - Chemistrymetallurgy
- 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: 2400
10-year publication summary
|
187
|
146
|
148
|
196
|
176
|
181
|
176
|
173
|
143
|
117
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Arkema France | 4173 |
175 |
| Mitsubishi Gas Chemical Company, Inc. | 3499 |
152 |
| BASF SE | 21087 |
130 |
| Kingfa SCI & Tech Co. Ltd. | 656 |
93 |
| Ems-patent AG | 172 |
83 |
| E. I. du Pont de Nemours and Company | 3899 |
63 |
| Ascend Performance Materials Operations LLC | 276 |
57 |
| Solvay Specialty Polymers USA, LLC | 530 |
57 |
| Kuraray Co., Ltd. | 3539 |
54 |
| DSM IP Assets B.V. | 5562 |
51 |
| Rhodia Operations | 1553 |
48 |
| Asahi Kasei Kabushiki Kaisha | 2719 |
37 |
| Toray Industries, Inc. | 7006 |
36 |
| Evonik Operations GmbH | 4172 |
33 |
| Mitsui Chemicals, Inc. | 3230 |
32 |
| Zhuhai Vanteque Specialty Engineering Plastics Co., Ltd. | 62 |
26 |
| Performance Polyamides, SAS | 65 |
25 |
| Envalior B.V. | 87 |
25 |
| Toyobo Co., Ltd. | 2470 |
23 |
| Unitika Ltd. | 445 |
22 |
| Other owners | 1178 |