- All sections
- C - Chemistry; metallurgy
- C08L - Compositions of macromolecular compounds
- C08L 61/06 - Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
Patent holdings for IPC class C08L 61/06
Total number of patents in this class: 637
10-year publication summary
|
56
|
60
|
49
|
70
|
72
|
57
|
43
|
28
|
17
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Bakelite Co., Ltd. | 1416 |
35 |
| SI Group, Inc. | 176 |
19 |
| The Yokohama Rubber Co., Ltd. | 3929 |
18 |
| Georgia-Pacific Chemicals LLC | 204 |
16 |
| Bridgestone Corporation | 7067 |
14 |
| Asahi Organic Chemicals Industry Co., Ltd. | 97 |
12 |
| Stora Enso Oyj | 1504 |
12 |
| Kingspan Holdings (IRL) Limited | 389 |
11 |
| DIC Corporation | 3597 |
10 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
8 |
| Rhodia Operations | 1645 |
8 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
7 |
| Mitsui Chemicals, Inc. | 3134 |
7 |
| Shengyi Technology Co., Ltd. | 255 |
7 |
| Hitachi Chemical Company, Ltd. | 2455 |
6 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
6 |
| Akebono Brake Industry Co., Ltd. | 354 |
6 |
| 3m Innovative Properties Company | 18406 |
5 |
| Dow Global Technologies LLC | 10147 |
5 |
| JSR Corporation | 2476 |
5 |
| Other owners | 420 |