- 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: 1005
10-year publication summary
|
85
|
79
|
77
|
92
|
59
|
62
|
73
|
54
|
62
|
55
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Kayaku Kabushiki Kaisha | 1475 |
34 |
| Dow Global Technologies LLC | 11072 |
27 |
| DIC Corporation | 4000 |
25 |
| 3m Innovative Properties Company | 17443 |
23 |
| Nissan Chemical Corporation | 2307 |
21 |
| Resonac Corporation | 3761 |
20 |
| Sekisui Chemical Co., Ltd. | 3669 |
19 |
| Shengyi Technology Co., Ltd. | 268 |
19 |
| Sika Technology AG | 3031 |
18 |
| Shin-Etsu Chemical Co., Ltd. | 6157 |
17 |
| Hitachi Chemical Company, Ltd. | 2219 |
15 |
| PPG Industries Ohio, Inc. | 3328 |
15 |
| Mitsubishi Gas Chemical Company, Inc. | 3662 |
15 |
| SABIC Global Technologies B.V. | 4632 |
15 |
| Daicel Corporation | 2591 |
14 |
| Nissan Chemical Industries, Ltd. | 1627 |
14 |
| Zephyros, Inc. | 694 |
14 |
| Blue Cube IP LLC | 221 |
13 |
| Henkel AG & Co. KGaA | 10788 |
12 |
| Panasonic Intellectual Property Management Co., Ltd. | 34623 |
11 |
| Other owners | 644 |