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| 9856540 | Dehairing of skins and hides | Jan 11, 16 | Jan 02, 18 | NOVOZYMES A/S |
| 8801804 | Non-metal tanning process | Oct 05, 11 | Aug 12, 14 | STAHL INTERNATIONAL BV |
| 8795389 | Non metal tanning | Oct 05, 11 | Aug 05, 14 | STAHL INTERNATIONAL BV |
| 8795390 | Non metal tanning | Oct 25, 11 | Aug 05, 14 | STAHL INTERNATIONAL BV |
| 8790416 | Non-metal tanning process | Oct 05, 11 | Jul 29, 14 | STAHL INTERNATIONAL BV |
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| 6251414 | Aqueous formulation for pretanning raw hides | Oct 30, 98 | Jun 26, 01 | TFL Ledertechnik GmbH & Co. KG |
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| 5900027 | Process for preparing animal hides or pelts | Nov 19, 97 | May 04, 99 | Not available |
| 5854321 | Graft copolymers of unsaturated monomers and sugars, a process for the production and the use thereof | Apr 04, 97 | Dec 29, 98 | BOZZETTO GMBH |
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