C14C 3/16

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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
2021/0214,811 METAL-FREE TANNING METHODAug 28, 19Jul 15, 21Santori Pellami S.P.A
2020/0291,493 METHOD FOR TANNING AN ANIMAL SKIN WITH DIALDEHYDESAug 22, 18Sep 17, 20Not available
2019/0309,379 TANNING COMPOSITION AND METHOD BASED ON AN ACETAL OF AN ALDEHYDIC TANNING AGENTMay 13, 19Oct 10, 19TFL Ledertechnik GmbH
2019/0106,758 TANNING COMPOSITION AND METHOD BASED ON AN ACETAL OF AN ALDEHYDIC TANNING AGENTMar 29, 17Apr 11, 19TFL Ledertechnik GmbH
2019/0078,169 METHODS FOR TANNING ANIMAL SKINSJul 13, 16Mar 14, 19Not available
2017/0233,833 Leather Production Using Waste LiquidsNov 09, 16Aug 17, 17Not available
2008/0168,606 Product For Pelt Conditioning For Tanning: Process For Pelt Conditioning and Following TanningFeb 21, 06Jul 17, 08ACQUAQUIMICA LTDA