- All sections
- C - Chemistry; metallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 63/197 - Hydroxy compounds containing aromatic rings containing two or more aromatic rings containing condensed aromatic rings
Patent holdings for IPC class C08G 63/197
Total number of patents in this class: 36
10-year publication summary
0
|
3
|
3
|
2
|
3
|
5
|
3
|
8
|
4
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Mitsubishi Gas Chemical Company, Inc. | 3188 |
7 |
Teijin Limited | 1216 |
3 |
Ajinomoto Co., Inc. | 2337 |
2 |
Kawasaki Kasei Chemicals Ltd. | 35 |
2 |
Osaka Gas Chemicals Co., Ltd. | 113 |
2 |
SKC Co., Ltd. | 311 |
2 |
Taoka Chemical Co., Ltd. | 51 |
2 |
Nitto Denko Corporation | 7879 |
1 |
Toray Industries, Inc. | 6652 |
1 |
Kyocera Document Solutions Inc. | 5295 |
1 |
Agency for Science, Technology and Research | 3512 |
1 |
DIC Corporation | 3597 |
1 |
Echem Solutions Corp. | 30 |
1 |
Ferrania Technologies S.p.A. | 5 |
1 |
Instituto Mexicano Del Petroleo | 213 |
1 |
The Nippon Synthetic Chemical Industry Co., Ltd. | 314 |
1 |
Polyplastics Co., Ltd. | 563 |
1 |
Reuter Chemische Apparatebau KG | 12 |
1 |
Roquette Freres | 1002 |
1 |
Samsung Corning Precision Glass Co., Ltd. | 4 |
1 |
Other owners | 3 |