- All sections
- C - Chemistrymetallurgy
- C08L - Compositions of macromolecular compounds
- C08L 61/28 - Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds with melamine
Patent holdings for IPC class C08L 61/28
Total number of patents in this class: 260
10-year publication summary
|
12
|
17
|
19
|
18
|
17
|
20
|
18
|
9
|
14
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 21111 |
25 |
| BASF Coatings GmbH | 1200 |
11 |
| KCC Corporation | 331 |
6 |
| Swiss Krono Tec AG | 503 |
6 |
| Shin-Etsu Chemical Co., Ltd. | 5831 |
5 |
| Nissan Chemical Industries, Ltd. | 1693 |
5 |
| Xerox Corporation | 6736 |
4 |
| PPG Industries Ohio, Inc. | 3407 |
4 |
| Giesecke+Devrient Currency Technology GmbH | 924 |
4 |
| Aspen Aerogels, Inc. | 258 |
3 |
| Donaldson Company, Inc. | 1598 |
3 |
| International Flavors & Fragrances Inc. | 515 |
3 |
| Lintec Corporation | 1992 |
3 |
| Mitsuboshi Belting Ltd. | 315 |
3 |
| Nippon Steel Corporation | 6549 |
3 |
| Stora Enso Oyj | 1651 |
3 |
| Valinge Innovation AB | 1022 |
3 |
| Young Shin Furniture and Space Co., Ltd. | 6 |
3 |
| The Procter & Gamble Company | 22037 |
2 |
| 3m Innovative Properties Company | 17614 |
2 |
| Other owners | 159 |