- All sections
- C - Chemistry; metallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 5/35 - Heterocyclic compounds having nitrogen in the ring having also oxygen in the ring
Patent holdings for IPC class C08K 5/35
Total number of patents in this class: 49
10-year publication summary
|
1
|
5
|
0
|
5
|
3
|
2
|
2
|
0
|
3
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 27102 |
6 |
| Henkel AG & Co. KGaA | 10129 |
3 |
| Henkel IP & Holding GmbH | 684 |
3 |
| Huntsman Advanced Materials Americas LLC | 136 |
3 |
| OMG UK Technology Ltd. | 13 |
3 |
| Henkel Corporation | 1262 |
3 |
| Kureha Corporation | 1026 |
2 |
| Evonik Operations GmbH | 3879 |
2 |
| Merck Patent GmbH | 5909 |
1 |
| BASF Corporation | 2039 |
1 |
| Hitachi Chemical Company, Ltd. | 2455 |
1 |
| BASF AG | 1258 |
1 |
| Nitto Denko Corporation | 7879 |
1 |
| Konica Minolta Holdings, Inc. | 1086 |
1 |
| Sumitomo Rubber Industries, Ltd. | 4421 |
1 |
| Mitsubishi Chemical Corporation | 4313 |
1 |
| Kaneka Corporation | 4445 |
1 |
| Huntsman International LLC | 708 |
1 |
| Kabushiki Kaisha Pilot Corporation | 321 |
1 |
| Namics Corporation | 393 |
1 |
| Other owners | 12 |