Agent and method for tanning skins and pelts
AssigneeMb-Holding GmbH & Co. KG
InventorsJens Zotzel, Stefan Marx, Heinz-Peter Germann, Alla Sarafeddinov
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Abstract
Process for the tanning of hides and skins, characterized in that hides and skins are treated with tanning agents containing deglycosylated iridoids and/or deglycosylated secoiridoids, excluding tanning agents containing genipin.
Claims20
A process for a tanning of hides or skins, comprising the step of pretanning hides or skins with a tanning agent comprising at least one compound selected from deglycosylated iridoids and deglycosylated secoiridoids, said tanning agent not comprising genipin.
A tanning agent comprising 0.1 to 25% by weight of a compound selected from the group consisting of oleuropeindial, ligustrosidedial and ligustalosidedial.
A tanning agent comprising 0.1 to 25% by weight of a compound selected from the group consisting of decarbomethoxyoleuropeindial and decarbomethoxyligustrosidedial.
A tanning agent comprising 0.1 to 25% by weight of a compound selected from the group consisting of (4E)-4-formyl-3-(1-formyl-2-methoxy-2-oxoethyl)hex-4-enoic acid, (4E)-4-formyl-3-(2-oxoethyl)hex-4-enoic acid and salts thereof.
Dependencies are inferred from the claim text.