Process for producing leather

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United States of America Patent

PATENT NO 11242574
APP PUB NO 20190309378A1
SERIAL NO

16308854

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Abstract

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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.

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Patent Owner(s)

Patent OwnerAddress
BASF SE67056 LUDWIGSHAFEN AM RHEIN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Peng, Biyu Chengdu, CN 1 1
Shi, Qing Shanghai, CN 65 477
Szarvas, Laszlo Hong Kong, CN 34 238
Zhang, Chunxiao Chengdu, CN 8 14

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