- All sections
- C - Chemistrymetallurgy
- C08L - Compositions of macromolecular compounds
- C08L 61/20 - Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
Patent holdings for IPC class C08L 61/20
Total number of patents in this class: 80
10-year publication summary
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4
|
5
|
6
|
2
|
7
|
1
|
2
|
3
|
5
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Johns Manville | 956 |
6 |
| Lintec Corporation | 1953 |
4 |
| Dow Global Technologies LLC | 10349 |
3 |
| Knauf Insulation SPRL | 172 |
3 |
| Shin-Etsu Chemical Co., Ltd. | 5663 |
2 |
| Rohm and Haas Company | 2877 |
2 |
| Michelin Recherche et Technique S.A. | 2164 |
2 |
| Mitsui Chemicals, Inc. | 3220 |
2 |
| Georgia-Pacific Chemicals LLC | 135 |
2 |
| Alzchem Trostberg GmbH | 264 |
2 |
| Nissan Chemical Industries, Ltd. | 1716 |
2 |
| Saint-Gobain Isover | 631 |
2 |
| Nissan Chemical Corporation | 2028 |
2 |
| Evonik Operations GmbH | 4117 |
2 |
| UNILIN, besloten vennootschap | 872 |
2 |
| Bakelite Chemicals LLC | 19 |
2 |
| LG Chem, Ltd. | 17639 |
1 |
| Xerox Corporation | 7000 |
1 |
| BASF Corporation | 1715 |
1 |
| Massachusetts Institute of Technology | 10057 |
1 |
| Other owners | 36 |