Method of preserving animal skin or hide using tris (hydroxymethyl) phosphine, tetrakis (hydroxymethyl) phosphonium, or derivatives

• Main Authors: MCPARLAND, TROY JAMES, BURROW, ROBERT ANTHONY, PRITCHARD, NEIL CHARLES
• Format: Patent
• Language: English
• Published: 30.09.2010
• Subjects: APPARATUS THEREFOR; CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING,IMPREGNATING, FINISHING; CHEMISTRY; COMPOSITIONS FOR TANNING; HIDES; LEATHER; METALLURGY; PELTS; SKINS

Disclosed is a method of preserving an animal skin or hide before completion of a tanning step, comprising applying a compound to the animal skin or hide, wherein the compound is selected from tris (hydroxymethyl) phosphine 'X' compound, tetrakis (hydroxymethyl) phosphonium 'X' salt, oxazolidine and glutaraldehyde or a derivative or modification thereof, and wherein the application of the compound replaces conventional salting such that conventional salting is not performed. Also disclosed is a kitset for preserving an animal skin or hide, including the above chemical, a fungicide, and a non-swelling acid in sufficient amounts to maintain the pH of the animal skins or hides to or below pH 4.0.