- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 263/16 - Preparation of derivatives of isocyanic acid by reactions not involving the formation of isocyanate groups
Patent holdings for IPC class C07C 263/16
Total number of patents in this class: 28
10-year publication summary
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0
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2
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2
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2
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1
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5
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2
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2
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1
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2
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hanwha Solutions Corporation | 1236 |
5 |
| Covestro Deutschland AG | 2856 |
4 |
| Wanhua Chemical Group Co., Ltd. | 390 |
3 |
| Bayer MaterialScience AG | 699 |
2 |
| Showa Denko K.K. | 2047 |
2 |
| Saltworks Technologies Inc. | 100 |
2 |
| Resonac Corporation | 3781 |
2 |
| BASF SE | 21334 |
1 |
| Asahi Kasei Kabushiki Kaisha | 2876 |
1 |
| Coatex S.A.S. | 209 |
1 |
| Feng Tay Enterprises Co., Ltd. | 57 |
1 |
| KS Laboratories Co., Ltd. | 20 |
1 |
| Lanxess Deutschland GmbH | 1151 |
1 |
| Recurium IP Holdings, LLC | 125 |
1 |
| KS Optical Co., Ltd. | 9 |
1 |
| Other owners | 0 |