Abstract
The invention provides a process for tanning a substrate using at least one ionic liquid. The at least one ionic liquid can be used in at least one of the following tanning steps: tanning, re-tanning, preservation, liming, pickling, impregnation, lubrication, dyeing, fatliquoring or finishing.
Original language | English |
---|---|
Patent number | WO/2015/159070 |
IPC | C14C 3/06 (2006.01),C14C 3/10 (2006.01),C14C 3/30 (2006.01),C14C 9/00 (2006.01),D06P 1/00 (2006.01) |
Priority date | 14/04/15 |
Filing date | 14/04/15 |
Publication status | Published - 22 Oct 2015 |