- 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: 993
10-year publication summary
|
85
|
79
|
77
|
92
|
59
|
62
|
73
|
54
|
62
|
43
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Kayaku Kabushiki Kaisha | 1458 |
33 |
| Dow Global Technologies LLC | 10981 |
27 |
| DIC Corporation | 3968 |
25 |
| 3m Innovative Properties Company | 17484 |
23 |
| Nissan Chemical Corporation | 2243 |
20 |
| Resonac Corporation | 3587 |
20 |
| Sekisui Chemical Co., Ltd. | 3626 |
19 |
| Shengyi Technology Co., Ltd. | 268 |
19 |
| Shin-Etsu Chemical Co., Ltd. | 6117 |
17 |
| Sika Technology AG | 3012 |
17 |
| Hitachi Chemical Company, Ltd. | 2238 |
15 |
| PPG Industries Ohio, Inc. | 3326 |
15 |
| Mitsubishi Gas Chemical Company, Inc. | 3629 |
15 |
| SABIC Global Technologies B.V. | 4610 |
15 |
| Nissan Chemical Industries, Ltd. | 1642 |
14 |
| Zephyros, Inc. | 683 |
14 |
| Blue Cube IP LLC | 221 |
13 |
| Daicel Corporation | 2542 |
13 |
| Henkel AG & Co. KGaA | 10768 |
12 |
| Arkema France | 4249 |
11 |
| Other owners | 636 |