- All sections
- C - Chemistrymetallurgy
- C09B - Organic dyes or closely-related compounds for producing dyesmordantslakes
- C09B 11/16 - Preparation from diarylketones or diarylcarbinols
Patent holdings for IPC class C09B 11/16
Total number of patents in this class: 29
10-year publication summary
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1
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3
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5
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4
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2
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0
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2
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1
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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
|
|---|---|---|
| Dai Nippon Printing Co., Ltd. | 4098 |
4 |
| The Procter & Gamble Company | 22045 |
2 |
| Sumitomo Chemical Company, Limited | 9047 |
2 |
| Yamamoto Chemicals, Inc. | 50 |
2 |
| Mitsubishi Chemical Corporation | 4526 |
2 |
| DIC Corporation | 3803 |
2 |
| DONGWOO FINE-CHEM Co., Ltd. | 1353 |
2 |
| National University Corporation Nagoya University | 853 |
2 |
| Sumika Technology Co., Ltd. | 4 |
2 |
| FUJIFILM Corporation | 29458 |
1 |
| DNP Fine Chemicals Co., Ltd. | 178 |
1 |
| Milliken & Company | 1194 |
1 |
| Portland State University | 78 |
1 |
| Solvay SA | 987 |
1 |
| Universite Paris Diderot - Paris 7 | 355 |
1 |
| Sorbonne Universite | 1294 |
1 |
| Centre National de La Recherche Scientifique (cnrs) | 3107 |
1 |
| Iridos Ltd. | 4 |
1 |
| Other owners | 0 |