- 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: 2377
10-year publication summary
|
187
|
146
|
148
|
196
|
176
|
181
|
176
|
172
|
143
|
88
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Arkema France | 4164 |
173 |
| Mitsubishi Gas Chemical Company, Inc. | 3482 |
151 |
| BASF SE | 20979 |
128 |
| Kingfa SCI & Tech Co. Ltd. | 643 |
92 |
| Ems-patent AG | 173 |
83 |
| E. I. du Pont de Nemours and Company | 4012 |
64 |
| Solvay Specialty Polymers USA, LLC | 592 |
61 |
| Ascend Performance Materials Operations LLC | 274 |
56 |
| Kuraray Co., Ltd. | 3514 |
53 |
| DSM IP Assets B.V. | 5581 |
52 |
| Rhodia Operations | 1587 |
48 |
| Asahi Kasei Kabushiki Kaisha | 2684 |
36 |
| Toray Industries, Inc. | 6976 |
35 |
| Evonik Operations GmbH | 4154 |
33 |
| Toyobo Co., Ltd. | 2516 |
32 |
| Mitsui Chemicals, Inc. | 3232 |
31 |
| Zhuhai Vanteque Specialty Engineering Plastics Co., Ltd. | 61 |
26 |
| Performance Polyamides, SAS | 65 |
25 |
| Envalior B.V. | 82 |
24 |
| Unitika Ltd. | 451 |
22 |
| Other owners | 1152 |