- All sections
- C - Chemistrymetallurgy
- C08L - Compositions of macromolecular compounds
- C08L 77/02 - Polyamides derived from omega-amino carboxylic acids or from lactams thereof
Patent holdings for IPC class C08L 77/02
Total number of patents in this class: 1487
10-year publication summary
|
98
|
95
|
113
|
136
|
103
|
114
|
122
|
102
|
104
|
85
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Arkema France | 4169 |
152 |
| BASF SE | 21101 |
121 |
| Kingfa SCI & Tech Co. Ltd. | 658 |
45 |
| E. I. du Pont de Nemours and Company | 3829 |
35 |
| Ems-patent AG | 172 |
25 |
| Rhodia Operations | 1551 |
23 |
| Toyobo Co., Ltd. | 2478 |
21 |
| Evonik Operations GmbH | 4168 |
21 |
| Toray Industries, Inc. | 7016 |
20 |
| Lanxess Deutschland GmbH | 1108 |
20 |
| Ascend Performance Materials Operations LLC | 275 |
19 |
| Advansix Resins & Chemicals LLC | 304 |
15 |
| SHPP Global Technologies B.V. | 1085 |
15 |
| Johns Manville | 941 |
14 |
| Peridot Print LLC | 1298 |
14 |
| DSM IP Assets B.V. | 5496 |
13 |
| Clariant Plastics & Coatings Ltd | 83 |
12 |
| Toyobo MC Corporation | 483 |
12 |
| LG Chem, Ltd. | 17704 |
11 |
| Mitsubishi Gas Chemical Company, Inc. | 3512 |
11 |
| Other owners | 868 |