- All sections
- C - Chemistrymetallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 59/42 - Polycarboxylic acidsAnhydrides, halides, or low-molecular-weight esters thereof
Patent holdings for IPC class C08G 59/42
Total number of patents in this class: 948
10-year publication summary
|
70
|
85
|
78
|
77
|
91
|
59
|
62
|
70
|
54
|
46
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Kayaku Kabushiki Kaisha | 1436 |
32 |
| Dow Global Technologies LLC | 10349 |
27 |
| DIC Corporation | 3802 |
25 |
| 3m Innovative Properties Company | 17819 |
21 |
| Shengyi Technology Co., Ltd. | 262 |
19 |
| Resonac Corporation | 2832 |
19 |
| Nissan Chemical Corporation | 2028 |
18 |
| Sekisui Chemical Co., Ltd. | 3429 |
17 |
| Hitachi Chemical Company, Ltd. | 2346 |
16 |
| PPG Industries Ohio, Inc. | 3448 |
15 |
| Nissan Chemical Industries, Ltd. | 1716 |
15 |
| SABIC Global Technologies B.V. | 4347 |
15 |
| Sika Technology AG | 2870 |
15 |
| Shin-Etsu Chemical Co., Ltd. | 5663 |
14 |
| Mitsubishi Gas Chemical Company, Inc. | 3466 |
14 |
| Zephyros, Inc. | 652 |
13 |
| Showa Denko K.K. | 2222 |
12 |
| Blue Cube IP LLC | 216 |
12 |
| Henkel AG & Co. KGaA | 10584 |
11 |
| Arkema France | 4149 |
11 |
| Other owners | 607 |