Invention Application
- Patent Title: PROCESS FOR PRODUCING LEATHER
-
Application No.: US16308854Application Date: 2017-06-12
-
Publication No.: US20190309378A1Publication Date: 2019-10-10
- Inventor: Qing SHI , Laszlo SZARVAS , Biyu PENG , Chunxiao ZHANG
- Applicant: BASF SE
- Applicant Address: DE Ludwigshafen am Rhein
- Assignee: BASF SE
- Current Assignee: BASF SE
- Current Assignee Address: DE Ludwigshafen am Rhein
- Priority: CNPCT/CN2016/085705 20160614
- International Application: PCT/EP2017/064299 WO 20170612
- Main IPC: C14C1/08
- IPC: C14C1/08 ; C14C3/06

Abstract:
The present invention relates to a process for producing leather in which methanesulfonic acid (MSA) is used in the pickling step at a high pH value, and the use of MSA is to improve the quality of the final leather product as well as to improve the environmental impact of the waste liquor.
Public/Granted literature
- US11242574B2 Process for producing leather Public/Granted day:2022-02-08
Information query