- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 251/22 - Quinone imines
Patent holdings for IPC class C07C 251/22
Total number of patents in this class: 22
10-year publication summary
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2
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1
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0
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2
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0
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1
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0
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0
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0
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nissan Chemical Industries, Ltd. | 1716 |
3 |
| Milliken & Company | 1199 |
2 |
| University of Louisville Research Foundation, Inc. | 720 |
2 |
| L' Oréal | 5533 |
2 |
| Institute for Stem Cell Biology and Regenerative Medicine (inStem) | 6 |
2 |
| BASF SE | 20915 |
1 |
| Centre National de La Recherche Scientifique | 10442 |
1 |
| Emory University | 1631 |
1 |
| Keio University | 1097 |
1 |
| Ludwig Institute for Cancer Research Ltd. | 73 |
1 |
| Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V. | 1774 |
1 |
| Universite de Strasbourg | 679 |
1 |
| University of Nebraska Lincoln | 6 |
1 |
| Ustav Experimentalni Botaniky AV CR, V.v.i. | 11 |
1 |
| DH Technologies Development Pte. Ltd. | 1115 |
1 |
| Kabushiki Kaisha Toyota Jidoshokki | 1757 |
1 |
| Other owners | 0 |