- All sections
- C - Chemistrymetallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 69/26 - Polyamides derived from amino carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
Patent holdings for IPC class C08G 69/26
Total number of patents in this class: 1533
10-year publication summary
|
110
|
109
|
120
|
117
|
115
|
90
|
90
|
104
|
82
|
30
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Gas Chemical Company, Inc. | 3421 |
146 |
| Arkema France | 3986 |
102 |
| Solvay Specialty Polymers USA, LLC | 572 |
59 |
| BASF SE | 20728 |
55 |
| DSM IP Assets B.V. | 5672 |
50 |
| Ems-patent AG | 175 |
43 |
| Kuraray Co., Ltd. | 3495 |
40 |
| Toray Industries, Inc. | 6867 |
37 |
| Rhodia Operations | 1582 |
27 |
| E. I. du Pont de Nemours and Company | 4131 |
25 |
| Mitsui Chemicals, Inc. | 3186 |
22 |
| Lubrizol Advanced Materials, Inc. | 949 |
21 |
| Unitika Ltd. | 452 |
19 |
| Ascend Performance Materials Operations LLC | 271 |
18 |
| Asahi Kasei Chemicals Corporation | 686 |
17 |
| Kingfa SCI & Tech Co. Ltd. | 601 |
17 |
| Cathay Biotech Inc. | 97 |
16 |
| FUJIFILM Corporation | 29188 |
14 |
| EMS-Chemie AG | 87 |
14 |
| Cibt America Inc. | 99 |
14 |
| Other owners | 777 |