C14C 3/04

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
2024/0263,257 CHROME-FREE TANNING PROCESS OF ECOLOGICAL LEATHERMay 11, 22Aug 08, 24Sichuan University
2023/0048,487 Zeolite composition suitable for tanning leatherDec 10, 20Feb 16, 23Smit Tanning B.V.
2014/0057,116 COATED FIBROUS BASED SUBSTRATESFeb 16, 12Feb 27, 14NORTHANTS LEATHER CHEMICALS LTD
2006/0288,494 Process for producing leatherJun 24, 05Dec 28, 06WOLVERINE WORLD WIDE, INC.
2004/0181,881 Process for preparing a synthetic aluminium tanning agentMar 20, 03Sep 23, 04COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH
2002/0020,024 Leather and a method of dressing sameMar 29, 01Feb 21, 02EYBL INTERNATIONAL AG and LEDERFABRIK VOGL GMBH, LEDERFABRIK VOGL GMBH,