Methods and kits for treating or preserving animal skins

A method of preserving an animal skin or hide before completion of a tanning step is characterised by:(i) applying a compound selected from tris (hydroxymethyl) phosphine `X' compound (THPX), tetrakis (hydroxymethyl) phosphonium `X' salt, oxazolidine and glutaraldehyde (or derivative or mo...

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Bibliographic Details
Main Authors NEIL CHARLES PRITCHARD, TROY JAMES MCPARLAND, ROBERT ANTHONY BURROW
Format Patent
LanguageEnglish
Published 28.09.2011
Subjects
APPARATUS THEREFOR
CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING,IMPREGNATING, FINISHING
CHEMISTRY
COMPOSITIONS FOR TANNING
HIDES
LEATHER
METALLURGY
PELTS
SKINS
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Summary:A method of preserving an animal skin or hide before completion of a tanning step is characterised by:(i) applying a compound selected from tris (hydroxymethyl) phosphine `X' compound (THPX), tetrakis (hydroxymethyl) phosphonium `X' salt, oxazolidine and glutaraldehyde (or derivative or modification thereof) to the animal skin or hide, wherein the compound has a functionality as a preservative for the animal skin or hide and wherein the application of the compound to the animal skein or hide replaces conventional salting such that conventional salting is not performed. A method of treating an animal skin may comprise step (i) as identified above and (ii) applying a fungicide and (iii) applying a non-swelling acid in sufficient quantity to maintain the pH of the skin to or below pH 4.0; kits for performing this method are also disclosed and claimed. The THPX compound may be THPS (tetra hydroxymethyl phosphonium sulfate). The animal skin may be sheep skin.
Bibliography:Application Number: GB20110004866