- All sections
- C - Chemistry; metallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 59/42 - Polycarboxylic acids; Anhydrides, halides, or low-molecular-weight esters thereof
Patent holdings for IPC class C08G 59/42
Total number of patents in this class: 882
10-year publication summary
|
63
|
70
|
85
|
79
|
77
|
91
|
59
|
60
|
67
|
9
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Kayaku Kabushiki Kaisha | 1400 |
31 |
| Dow Global Technologies LLC | 10147 |
30 |
| DIC Corporation | 3597 |
25 |
| 3m Innovative Properties Company | 18406 |
20 |
| Shengyi Technology Co., Ltd. | 255 |
19 |
| Hitachi Chemical Company, Ltd. | 2455 |
17 |
| Nissan Chemical Industries, Ltd. | 1822 |
17 |
| Sekisui Chemical Co., Ltd. | 3159 |
16 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
15 |
| SABIC Global Technologies B.V. | 4044 |
15 |
| Sika Technology AG | 2650 |
15 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
13 |
| Showa Denko K.K. | 2539 |
13 |
| PPG Industries Ohio, Inc. | 3430 |
12 |
| Blue Cube IP LLC | 219 |
12 |
| Nissan Chemical Corporation | 1725 |
12 |
| Resonac Corporation | 2233 |
12 |
| Arkema France | 3790 |
11 |
| Daicel Corporation | 2128 |
10 |
| Dexerials Corporation | 1826 |
9 |
| Other owners | 558 |