- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 255/22 - Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms containing cyano groups and carboxyl groups, other than cyano groups, bound to the same saturated acyclic carbon skeleton containing cyano groups and at least two carboxyl groups bound to the carbon skeleton
Patent holdings for IPC class C07C 255/22
Total number of patents in this class: 16
10-year publication summary
1
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2
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0
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1
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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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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
|
---|---|---|
F. Hoffmann-La Roche AG | 7961 |
2 |
Genentech, Inc. | 3886 |
2 |
Merck Patent GmbH | 5865 |
1 |
c-a-i-r biosciences GmbH | 4 |
1 |
Lupin Limited | 440 |
1 |
Merck Frosst Canada Ltd. | 83 |
1 |
Pfizer Ireland Pharmaceuticals | 81 |
1 |
Syndromex Ltd. | 8 |
1 |
Zhejiang Huahai Pharmaceutical Co., Ltd. | 199 |
1 |
Neopanora Bio-technology (Zhuhai) Ltd. | 2 |
1 |
Zhejiang Huahai Zhicheng Pharmaceutical Co., Ltd | 29 |
1 |
Drug Process Licensing Ass., LLC | 4 |
1 |
INVISTA North America, LLC | 159 |
1 |
INV Nylon Chemicals Americas, LLC | 179 |
1 |
Other owners | 0 |