- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 255/04 - Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms of an acyclic and saturated carbon skeleton containing two cyano groups bound to the carbon skeleton
Patent holdings for IPC class C07C 255/04
Total number of patents in this class: 92
10-year publication summary
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1
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3
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2
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2
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4
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13
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5
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1
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5
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4
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| INVISTA Technologies S.a.r.l. | 416 |
15 |
| Rhodia Operations | 1587 |
8 |
| Ningde Amperex Technology Limited | 2064 |
5 |
| Zhejiang Nhu Company Limited | 172 |
4 |
| Zhejiang University | 3126 |
4 |
| INV Nylon Chemicals Americas, LLC | 183 |
4 |
| Ascend Performance Materials Operations LLC | 272 |
3 |
| Zhejiang Nhu Special Materials Co., Ltd | 30 |
3 |
| Nanjing Yanchang Reaction Technology Research Institute Co. Ltd | 120 |
3 |
| Contemporary Amperex Technology (Hong Kong) Limited | 3472 |
3 |
| BASF SE | 20904 |
2 |
| Daikin Industries, Ltd. | 9991 |
2 |
| Arkema France | 4061 |
2 |
| INVISTA North America S.a.r.l. | 176 |
2 |
| Korea Kumho Petrochemical Co., Ltd. | 190 |
2 |
| Toagosei Co., Ltd. | 972 |
2 |
| INVISTA Textiles (U.K.) Limited | 256 |
2 |
| INVISTA North America, LLC | 153 |
2 |
| LG Chem, Ltd. | 17598 |
1 |
| Centre National de La Recherche Scientifique | 10414 |
1 |
| Other owners | 22 |