- 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: 953
10-year publication summary
|
69
|
84
|
76
|
74
|
90
|
59
|
58
|
68
|
54
|
54
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Kayaku Kabushiki Kaisha | 1450 |
32 |
| Dow Global Technologies LLC | 10448 |
27 |
| DIC Corporation | 3821 |
25 |
| 3m Innovative Properties Company | 17770 |
21 |
| Shengyi Technology Co., Ltd. | 262 |
19 |
| Resonac Corporation | 2917 |
19 |
| Nissan Chemical Corporation | 2077 |
18 |
| Sekisui Chemical Co., Ltd. | 3472 |
17 |
| Hitachi Chemical Company, Ltd. | 2335 |
16 |
| PPG Industries Ohio, Inc. | 3439 |
15 |
| Nissan Chemical Industries, Ltd. | 1704 |
15 |
| SABIC Global Technologies B.V. | 4374 |
15 |
| Sika Technology AG | 2881 |
15 |
| Shin-Etsu Chemical Co., Ltd. | 5708 |
14 |
| Mitsubishi Gas Chemical Company, Inc. | 3485 |
14 |
| Zephyros, Inc. | 656 |
13 |
| Blue Cube IP LLC | 216 |
12 |
| Showa Denko K.K. | 2194 |
11 |
| Henkel AG & Co. KGaA | 10623 |
11 |
| Arkema France | 4170 |
11 |
| Other owners | 613 |