Animal hide dehairing methods
AssigneeNational Beef Packing Company, LLC
InventorShaun Francis Gleeson
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Abstract
Methods for preparing an animal hide for chrome tanning are provided. In particular, one or more embodiments include treating the hide with a first enzyme, a second enzyme, and a polysulfide. This treatment facilitates improved removal of hair from the hide. Furthermore, one or more embodiments include various combinations of treating the hide with a third enzyme, a liming agent, a pH-modifying agent, one or more sulfides, and one or more soaking agents. In addition, one or more embodiments include sanitizing the hide and liming the hide to further facilitate the processing of the animal hide into leather.
Claims20
A method for preparing an animal hide for chrome tanning, the method comprising the steps of:
- treating the hide with a first enzyme, wherein the first enzyme includes:
- a glycosylase enzyme;
- treating the hide with a second enzyme after the step of treating with the first enzyme, wherein the second enzyme includes a peptidase;
- and
- treating the hide with a polysulfide after the step of treating with the first enzyme.
Dependencies are inferred from the claim text.