C14C 3/28

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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
2024/0182,636 MODIFIED POLYLACTONES USEFUL FOR FATLIQUORINGApr 13, 22Jun 06, 24TFL Ledertechnik GmbH
2024/0043,805 IMMORTALIZED CELL LINE FOR ENGINEERED SYNTHETIC LEATHERAug 21, 23Feb 08, 24Not available
2023/0279,515 COMPOSITION FOR MANUFACTURING LEATHERMar 06, 23Sep 07, 23Not available
2023/0175,082 ENVIRONMENTALLY FRIENDLY PROCESS FOR TANNING HIDESJul 20, 21Jun 08, 23Not available
2023/0053,057 LIONFISH LEATHER AND PREPARATION THEREOFMay 23, 22Feb 16, 23Not available
2022/0333,217 LEATHER TANNING METHOD USING CHROME-FREE AND FORMALDEHYDE-FREE ADHESIVEJan 09, 22Oct 20, 22Not available
2022/0298,590 PROCESS FOR TANNING LEATHERS, PRE-TANNING PRODUCTS AND USE THEREOFMar 10, 22Sep 22, 22Not available
2022/0243,292 METHOD OF MANUFACTURING LEATHERDec 24, 20Aug 04, 22Not available
2016/0160,301 PROCESS FOR RETANNING LEATHERJul 25, 14Jun 09, 16TFL Ledertechnik GmbH
2015/0107,028 CHROME-FREE LEATHER RETANNINGOct 15, 14Apr 23, 15ROHM AND HAAS COMPANY
2014/0366,280 FAT-LIQUORINGJan 03, 13Dec 18, 14STAHL INTERNATIONAL BV
2014/0057,116 COATED FIBROUS BASED SUBSTRATESFeb 16, 12Feb 27, 14NORTHANTS LEATHER CHEMICALS LTD
2013/0239,340 Non Metal TanningOct 25, 11Sep 19, 13STAHL INTERNATIONAL BV
2013/0219,634 Non Metal TanningOct 05, 11Aug 29, 13STAHL INTERNATIONAL BV
2013/0205,516 Non Metal TanningOct 05, 11Aug 15, 13STAHL INTERNATIONAL BV
2013/0198,974 Non-Metal Tanning ProcessOct 05, 11Aug 08, 13STAHL INTERNATIONAL BV
2012/0058,357 Tanning Process and Tanning CompositionMar 04, 10Mar 08, 12STAHL INTERNATIONAL BV
2009/0158,530 USE OF CHROMIUM COMPLEX IN THE LEATHER INDUSTRYSep 08, 08Jun 25, 09SODA SANAYI A.S.