- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 69/657 - Maleic acid estersFumaric acid estersHalomaleic acid estersHalofumaric acid esters
Patent holdings for IPC class C07C 69/657
Total number of patents in this class: 6
10-year publication summary
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0
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1
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0
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0
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1
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2
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| E. I. du Pont de Nemours and Company | 4071 |
1 |
| Asahi Kasei Kabushiki Kaisha | 2675 |
1 |
| Firmenich SA | 1683 |
1 |
| Fondazione Istituto Italiano di Tecnologia | 583 |
1 |
| NATCO Pharma Limited | 207 |
1 |
| Universita degli Studi di Roma "La Sapienza" | 217 |
1 |
| Other owners | 0 |