- 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 3/28 - Multi-step processes
Patent holdings for IPC class C14C 3/28
Total number of patents in this class: 75
10-year publication summary
4
|
5
|
5
|
3
|
7
|
4
|
4
|
10
|
8
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Lanxess Deutschland GmbH | 1104 |
7 |
TFL Ledertechnik GmbH | 107 |
7 |
Xeros Limited | 148 |
7 |
DB Patents Ltd. | 6 |
4 |
Clariant Finance (BVI) Limited | 427 |
3 |
Quintessence Marine Inc. | 10 |
3 |
BASF SE | 19740 |
2 |
Rohm and Haas Company | 2805 |
2 |
Council of Scientific and Industrial Research | 670 |
2 |
Stahl International B.V. | 267 |
2 |
Santori Pellami S.p.A. | 6 |
2 |
Midori Auto Leather Co., Ltd. | 7 |
2 |
Beken Italia S.r.l. | 3 |
2 |
Toyota Motor Corporation | 28582 |
1 |
Buckman Laboratories International, Inc. | 244 |
1 |
ENRICO MANDELLI S.p.A. | 9 |
1 |
Fujian Agriculture and Forestry University | 20 |
1 |
Huntsman Advanced Materials (Switzerland) GmbH | 131 |
1 |
Korea Institute of Footwear & Leather Technology | 6 |
1 |
Northants Leather Chemicals Ltd | 1 |
1 |
Other owners | 23 |