- All sections
- C - Chemistry; metallurgy
- C09D - Coating compositions, e.g. paints, varnishes or lacquers; filling pastes; chemical paint or ink removers; inks; correcting fluids; woodstains; pastes or solids for colouring or printing; use of materials therefor
- C09D 161/28 - 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 C09D 161/28
Total number of patents in this class: 207
10-year publication summary
|
20
|
17
|
23
|
21
|
22
|
12
|
16
|
7
|
9
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kansai Paint Co., Ltd. | 659 |
22 |
| PPG Industries Ohio, Inc. | 3430 |
15 |
| Nippon Paint Automotive Coatings Co., Ltd. | 195 |
15 |
| Ceraloc Innovation AB | 156 |
13 |
| BASF Coatings GmbH | 1128 |
11 |
| Giesecke+Devrient Currency Technology GmbH | 817 |
6 |
| Xerox Corporation | 7503 |
5 |
| Nippon Paint Co., Ltd. | 105 |
5 |
| BASF SE | 19740 |
4 |
| Donaldson Company, Inc. | 1513 |
3 |
| Flooring Technologies Ltd. | 161 |
3 |
| Harima Chemicals, Inc. | 202 |
3 |
| Nippon Steel & Sumitomo Metal Corporation | 1990 |
3 |
| Valinge Innovation AB | 915 |
3 |
| E. I. du Pont de Nemours and Company | 4345 |
2 |
| Toyota Motor Corporation | 28582 |
2 |
| SDC Technologies, Inc. | 41 |
2 |
| Akzo Nobel Coatings International B.V. | 2185 |
2 |
| Borealis Agrolinz Melamine GmbH | 24 |
2 |
| Dai Nippon Toryo Co., Ltd. | 83 |
2 |
| Other owners | 84 |