- All sections
- C - Chemistrymetallurgy
- 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: 652
10-year publication summary
|
49
|
70
|
73
|
59
|
44
|
28
|
19
|
21
|
27
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Bakelite Co., Ltd. | 1533 |
33 |
| The Yokohama Rubber Co., Ltd. | 4114 |
17 |
| SI Group, Inc. | 185 |
17 |
| Bridgestone Corporation | 7251 |
15 |
| Stora Enso Oyj | 1648 |
13 |
| Panasonic Intellectual Property Management Co., Ltd. | 33911 |
10 |
| DIC Corporation | 3961 |
10 |
| Evonik Operations GmbH | 4336 |
10 |
| Shin-Etsu Chemical Co., Ltd. | 6083 |
9 |
| Bakelite Chemicals LLC | 76 |
9 |
| Mitsubishi Gas Chemical Company, Inc. | 3619 |
8 |
| Rhodia Operations | 1497 |
8 |
| Mitsui Chemicals, Inc. | 3242 |
7 |
| Georgia-Pacific Chemicals LLC | 127 |
7 |
| Asahi Organic Chemicals Industry Co., Ltd. | 74 |
7 |
| Kingspan Holdings (IRL) Limited | 483 |
7 |
| Dow Global Technologies LLC | 10930 |
6 |
| Gun Ei Chemical Industry Co., Ltd. | 45 |
6 |
| Shengyi Technology Co., Ltd. | 268 |
6 |
| 3m Innovative Properties Company | 17488 |
5 |
| Other owners | 442 |