- 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 3/22 - Chemical tanning by organic agents using polymerisation products
Patent holdings for IPC class C14C 3/22
Total number of patents in this class: 38
10-year publication summary
|
3
|
4
|
6
|
6
|
2
|
4
|
1
|
4
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 19740 |
5 |
| TFL Ledertechnik GmbH | 107 |
4 |
| Xeros Limited | 148 |
4 |
| Shaanxi University of Science & Technology | 60 |
3 |
| Rohm and Haas Company | 2805 |
2 |
| Lanxess Deutschland GmbH | 1104 |
2 |
| Midori Auto Leather Co., Ltd. | 7 |
2 |
| Toyota Motor Corporation | 28582 |
1 |
| BASF AG | 1258 |
1 |
| ENRICO MANDELLI S.p.A. | 9 |
1 |
| Osmo S.r.l. | 10 |
1 |
| Sichuan University | 498 |
1 |
| BASF (China) Co., Ltd. | 755 |
1 |
| Zhuangdou Zhang | 1 |
1 |
| GSC Group S.p.A. | 12 |
1 |
| Minkpapir A/S | 19 |
1 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
1 |
| GNP Pelli di Gian Andrea Pezzoli | 1 |
1 |
| Holupelli Consult GmbH | 1 |
1 |
| Lanxess (Changzhou) Co., Ltd. | 4 |
1 |
| Other owners | 3 |