C14C3/00

Dehairing of skins and hides

The present invention relates to a method for the processing of hides or skins into leather, comprising enzymatic treatment of the hide or skin with carbohydrase in the soaking step. The present invention can achieve optimal fiber opening results in a relatively short period of time and at the same time does not cause loose grain, and meanwhile the pollution or impact on the environment is reduced in a maximum way.

HIDE SORTING SYSTEMS AND METHODS
20170107587 · 2017-04-20 ·

Methods and systems for sorting hides are provided. In particular, one or more embodiments comprise a tanning control system that enhances the traceability of hides by capturing and utilizing data related to the unloading, tanning, sorting, and packaging of hides. Furthermore, one or more embodiments enable the tanning control system to improve efficiency by sorting hides based, at least in part, on data generated during prior tanning processes. Additionally, one or more embodiments facilitate the tanning control system in customizing the sorting and packaging of hides based, at least in part, on one or more hide characteristics and/or customer specifications.

HIDE SORTING SYSTEMS AND METHODS
20170107587 · 2017-04-20 ·

Methods and systems for sorting hides are provided. In particular, one or more embodiments comprise a tanning control system that enhances the traceability of hides by capturing and utilizing data related to the unloading, tanning, sorting, and packaging of hides. Furthermore, one or more embodiments enable the tanning control system to improve efficiency by sorting hides based, at least in part, on data generated during prior tanning processes. Additionally, one or more embodiments facilitate the tanning control system in customizing the sorting and packaging of hides based, at least in part, on one or more hide characteristics and/or customer specifications.

Hide sorting systems and methods

Methods and systems for sorting hides are provided. In particular, one or more embodiments comprise a tanning control system that enhances the traceability of hides by capturing and utilizing data related to the unloading, tanning, sorting, and packaging of hides. Furthermore, one or more embodiments enable the tanning control system to improve efficiency by sorting hides based, at least in part, on data generated during prior tanning processes. Additionally, one or more embodiments facilitate the tanning control system in customizing the sorting and packaging of hides based, at least in part, on one or more hide characteristics and/or customer specifications.

Hide sorting systems and methods

Methods and systems for sorting hides are provided. In particular, one or more embodiments comprise a tanning control system that enhances the traceability of hides by capturing and utilizing data related to the unloading, tanning, sorting, and packaging of hides. Furthermore, one or more embodiments enable the tanning control system to improve efficiency by sorting hides based, at least in part, on data generated during prior tanning processes. Additionally, one or more embodiments facilitate the tanning control system in customizing the sorting and packaging of hides based, at least in part, on one or more hide characteristics and/or customer specifications.

Use of reactive cross-linking agents for protein-containing substrates and processes for tanning and dyeing of leather

The present invention relates to the use of reactive colourless and metal-free protein cross-linking agents for the cross-linking (tanning) of protein-containing substrates, said agents are environmentally friendly and give an improved fixation yield, a long-term cross-linking (tanning) stability and good washing off properties. The present invention further relates to processes for the cross-linking (tanning) of protein-containing substrates thereby creating an environmentally friendly process which minimizes the use of chemicals and further improves the quality and efficiency of the tanning and dyeing process. ##STR00001##

HIDE SORTING SYSTEMS AND METHODS
20250257414 · 2025-08-14 ·

Methods and systems for sorting hides are provided. In particular, one or more embodiments comprise a tanning control system that enhances the traceability of hides by capturing and utilizing data related to the unloading, tanning, sorting, and packaging of hides. Furthermore, one or more embodiments enable the tanning control system to improve efficiency by sorting hides based, at least in part, on data generated during prior tanning processes. Additionally, one or more embodiments facilitate the tanning control system in customizing the sorting and packaging of hides based, at least in part, on one or more hide characteristics and/or customer specifications.

HIDE SORTING SYSTEMS AND METHODS
20250257414 · 2025-08-14 ·

Methods and systems for sorting hides are provided. In particular, one or more embodiments comprise a tanning control system that enhances the traceability of hides by capturing and utilizing data related to the unloading, tanning, sorting, and packaging of hides. Furthermore, one or more embodiments enable the tanning control system to improve efficiency by sorting hides based, at least in part, on data generated during prior tanning processes. Additionally, one or more embodiments facilitate the tanning control system in customizing the sorting and packaging of hides based, at least in part, on one or more hide characteristics and/or customer specifications.