- 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: 1426
10-year publication summary
100
|
99
|
117
|
142
|
109
|
119
|
124
|
106
|
104
|
27
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Arkema France | 3889 |
142 |
BASF SE | 20616 |
120 |
Kingfa SCI & Tech Co. Ltd. | 590 |
39 |
E. I. du Pont de Nemours and Company | 4167 |
36 |
Toyobo Co., Ltd. | 2461 |
28 |
Ems-patent AG | 176 |
25 |
Rhodia Operations | 1580 |
23 |
DSM IP Assets B.V. | 5568 |
21 |
Toray Industries, Inc. | 6840 |
19 |
Evonik Operations GmbH | 3973 |
19 |
Lanxess Deutschland GmbH | 1124 |
18 |
Ascend Performance Materials Operations LLC | 268 |
16 |
Advansix Resins & Chemicals LLC | 296 |
14 |
Johns Manville | 953 |
14 |
Peridot Print LLC | 1190 |
13 |
Clariant Plastics & Coatings Ltd | 83 |
12 |
SHPP Global Technologies B.V. | 1070 |
12 |
Mitsubishi Gas Chemical Company, Inc. | 3392 |
11 |
Performance Polyamides, SAS | 65 |
11 |
Lotte Chemical Corporation | 688 |
10 |
Other owners | 823 |