| 9938592 | Liquid smoke tanning method | Feb 06, 16 | Apr 10, 18 | Not available |
| 9376729 | Compositions comprising at least one compound containing a carbamoyl sulfonate group and use of the same as tanning agents | Jul 28, 11 | Jun 28, 16 | LANXESS DEUTSCHLAND GMBH |
| 9328394 | Agent and method for tanning skins and pelts | Nov 21, 08 | May 03, 16 | MB-HOLDING GMBH & CO. KG |
| 9279164 | Method for producing leather for covering aircraft seats with leather | Jan 26, 12 | Mar 08, 16 | WOLLSDORF LEDER SCHMIDT & CO. GES.M.B.H. |
| 8795389 | Non metal tanning | Oct 05, 11 | Aug 05, 14 | STAHL INTERNATIONAL BV |
| 8790416 | Non-metal tanning process | Oct 05, 11 | Jul 29, 14 | STAHL INTERNATIONAL BV |
| 8357207 | Leather treatment and agent | Nov 27, 06 | Jan 22, 13 | TFL Ledertechnik GmbH |
| 7771489 | Formulation for use in chrome or chrome-free tannage | Aug 08, 03 | Aug 10, 10 | BASF AKTIENGESELLSCHAFT |
| 7753964 | Method for producing a leather semi-finished product | Nov 25, 03 | Jul 13, 10 | BASF AKTIENGESELLSCHAFT |
| 7651531 | Bio-tanning process for leather making | Dec 23, 04 | Jan 26, 10 | COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH |
| 7354457 | Tanning agent and curing agent based on dialdehydes | May 02, 03 | Apr 08, 08 | BASF AKTIENGESELLSCHAFT |
| 6953483 | Aloe vera processed leather and leather gloves, garments, shoes and sandals made from aloe vera processed leather and a process for making aloe vera processed leather | Mar 05, 03 | Oct 11, 05 | Bali Leathers, Inc. |
| 6849095 | Agent and method for enzymatically tanning skins | May 01, 02 | Feb 01, 05 | Trumpler GmbH & Co. Chemische Fabrik |
| 6827745 | Mixture of THP and a moderator to tan leather | Feb 06, 02 | Dec 07, 04 | RHODIA CONSUMER SPECIALTIES LIMITED |
| 6482483 | Phosphonium salt composition | Apr 03, 00 | Nov 19, 02 | RHODIA CONSUMER SPECIALTIES LIMITED |
| 6251414 | Aqueous formulation for pretanning raw hides | Oct 30, 98 | Jun 26, 01 | TFL Ledertechnik GmbH & Co. KG |
| 5725599 | Process for mineral tanning, re-tanning or leather after-treatment | Mar 20, 95 | Mar 10, 98 | CLARIANT FINANCE (BVI) LIMITED |
| 5501708 | Process for tanning hides and compounds for use therein | Oct 07, 93 | Mar 26, 96 | COMMONWEALTH SCIENTIFIC AND INDUSTRIAL RESEARCH ORGANISATION |
| RE34986 | Tanning agent formulation for manufacture of semifinished leather products | Nov 24, 93 | Jul 04, 95 | SCHILL + SEILACHER AG |
| 5425783 | Technique of tanning snake skins, and a material for painting and calligraphy produced by the technique | Mar 31, 93 | Jun 20, 95 | Not available |