- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 217/92 - Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having amino groups and etherified hydroxy groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton having amino groups and etherified hydroxy groups bound to carbon atoms of non-condensed six-membered aromatic rings of the same non-condensed six-membered aromatic ring the nitrogen atom of at least one of the amino groups being further bound to a carbon atom of a six-membered aromatic ring
Patent holdings for IPC class C07C 217/92
Total number of patents in this class: 94
10-year publication summary
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7
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8
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5
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8
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5
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4
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4
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2
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6
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5
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Merck Patent GmbH | 5751 |
10 |
| Idemitsu Kosan Co., Ltd. | 4298 |
7 |
| Kyocera Document Solutions Inc. | 6397 |
6 |
| Kumiai Chemical Industry Co., Ltd. | 315 |
5 |
| Ricoh Company, Ltd. | 13413 |
3 |
| Dow Silicones Corporation | 2154 |
3 |
| Samsung Display Co., Ltd. | 39229 |
2 |
| LG Chem, Ltd. | 17986 |
2 |
| Bayer Schering Pharma AG | 294 |
2 |
| Eutropics Pharmaceuticals, Inc. | 30 |
2 |
| Ihara Chemical Industry Co., Ltd. | 59 |
2 |
| Lanxess Corporation | 290 |
2 |
| Novaled GmbH | 492 |
2 |
| Takasago International Corporation | 407 |
2 |
| Hoffmann-La Roche Inc. | 3864 |
1 |
| LG Display Co., Ltd. | 15106 |
1 |
| Centre National de La Recherche Scientifique | 11133 |
1 |
| Industrial Technology Research Institute | 5200 |
1 |
| Kyocera Corporation | 14502 |
1 |
| Sumitomo Chemical Company, Limited | 8992 |
1 |
| Other owners | 38 |