- All sections
- C - Chemistrymetallurgy
- C08L - Compositions of macromolecular compounds
- C08L 61/22 - Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
Patent holdings for IPC class C08L 61/22
Total number of patents in this class: 57
10-year publication summary
|
5
|
1
|
5
|
2
|
3
|
4
|
3
|
2
|
2
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Johns Manville | 918 |
6 |
| Allegiance Corporation | 237 |
5 |
| Knauf Insulation SPRL | 169 |
5 |
| Knauf Insulation, Inc. | 183 |
4 |
| Sumitomo Chemical Company, Limited | 8967 |
3 |
| Cambridge Display Technology Limited | 473 |
3 |
| Mctron Technologies Inc. | 4 |
3 |
| International Business Machines Corporation | 62769 |
2 |
| Rohm and Haas Company | 2943 |
2 |
| Avertica, Inc. | 7 |
2 |
| Jiangnan University | 1639 |
2 |
| Kureha Corporation | 1072 |
2 |
| Nissan Chemical Industries, Ltd. | 1633 |
2 |
| Tintometer GmbH | 77 |
2 |
| Chemics Kogyo Kabushiki Kaisha | 2 |
2 |
| Shin-Etsu Chemical Co., Ltd. | 6134 |
1 |
| Dow Global Technologies LLC | 11029 |
1 |
| Toray Industries, Inc. | 7145 |
1 |
| Northwestern University | 3567 |
1 |
| Gun Ei Chemical Industry Co., Ltd. | 45 |
1 |
| Other owners | 7 |