- All sections
- C - Chemistrymetallurgy
- C14C - Treating skins, hides or leather with chemicals, enzymes or microorganisms, e.g. tanning, impregnating or finishingapparatus thereforcompositions for tanning
- C14C 3/22 - Chemical tanning by organic agents using polymerisation products
Patent holdings for IPC class C14C 3/22
Total number of patents in this class: 42
10-year publication summary
|
4
|
6
|
6
|
2
|
4
|
1
|
4
|
1
|
1
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 20915 |
5 |
| TFL Ledertechnik GmbH | 101 |
5 |
| Xeros Limited | 135 |
4 |
| Rohm and Haas Company | 2877 |
2 |
| Lanxess Deutschland GmbH | 1117 |
2 |
| Shaanxi University of Science & Technology | 60 |
2 |
| Midori Auto Leather Co., Ltd. | 9 |
2 |
| Centre National de La Recherche Scientifique | 10442 |
1 |
| ENRICO MANDELLI S.p.A. | 9 |
1 |
| Osmo S.r.l. | 10 |
1 |
| Sichuan University | 569 |
1 |
| Stahl International B.V. | 284 |
1 |
| Universite de Montpellier | 986 |
1 |
| BASF (China) Co., Ltd. | 844 |
1 |
| Zhuangdou Zhang | 1 |
1 |
| GSC Group S.p.A. | 11 |
1 |
| Minkpapir A/S | 18 |
1 |
| CTC | 14 |
1 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12790 |
1 |
| Enscm - Ecole Nationale Superieure de Chimie | 9 |
1 |
| Other owners | 7 |