- All sections
- C - Chemistry; metallurgy
- C14C - Treating skins, hides or leather with chemicals, enzymes or microorganisms, e.g. tanning, impregnating or finishing; apparatus therefor; compositions for tanning
- C14C 3/12 - Vegetable tanning using purified or modified vegetable tanning agents
Patent holdings for IPC class C14C 3/12
Total number of patents in this class: 11
10-year publication summary
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2
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2
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| TFL Ledertechnik GmbH | 107 |
2 |
| Ajinomoto OmniChem S.A. | 5 |
1 |
| Mb-holding GmbH & Co. KG | 56 |
1 |
| N-zyme Biotec GmbH | 9 |
1 |
| Sichuan University | 498 |
1 |
| Universitat de Lleida | 41 |
1 |
| Unique SRL | 4 |
1 |
| Curtidos Treviño, S.A. de C.V. | 7 |
1 |
| Workem S.r.l. Unipersonale | 1 |
1 |
| Relab Arge Teknoloji̇leri̇ Anoni̇m Şi̇rketi̇ | 4 |
1 |
| Other owners | 0 |