- 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: 958
10-year publication summary
|
69
|
84
|
76
|
74
|
90
|
59
|
58
|
68
|
54
|
61
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Kayaku Kabushiki Kaisha | 1451 |
32 |
| Dow Global Technologies LLC | 10571 |
27 |
| DIC Corporation | 3854 |
25 |
| 3m Innovative Properties Company | 17719 |
22 |
| Shengyi Technology Co., Ltd. | 263 |
19 |
| Resonac Corporation | 3008 |
19 |
| Nissan Chemical Corporation | 2110 |
18 |
| Sekisui Chemical Co., Ltd. | 3508 |
17 |
| Hitachi Chemical Company, Ltd. | 2316 |
15 |
| PPG Industries Ohio, Inc. | 3415 |
15 |
| Mitsubishi Gas Chemical Company, Inc. | 3509 |
15 |
| Nissan Chemical Industries, Ltd. | 1697 |
15 |
| SABIC Global Technologies B.V. | 4405 |
15 |
| Sika Technology AG | 2911 |
15 |
| Shin-Etsu Chemical Co., Ltd. | 5795 |
14 |
| Zephyros, Inc. | 665 |
13 |
| Blue Cube IP LLC | 216 |
12 |
| Showa Denko K.K. | 2174 |
11 |
| Henkel AG & Co. KGaA | 10656 |
11 |
| Arkema France | 4176 |
11 |
| Other owners | 617 |