C14C - Definition

Definition statement

This subclass covers:

Chemical treatment of hides or skins prior to tanning, e.g. curing or unhairing; compositions therefor.

Tanning of hides or skins; compositions therefor; recovering tanning agents from leather.

Degreasing of leather; compositions therefor.

Chemical aspects of pasting processes; compositions therefor.

Impregnating leather for preserving, waterproofing, making heat resistant or similar purposes; compositions therefor.

Chemical surface finishing of leather, e.g. applying abrasion resistant coating; compositions therefor.

Products that can be obtained by chemical treatment of skins, hides or leather; special kinds of leather, e.g. vellum, and chemical manufacture thereof; compositions therefor.

Apparatus for chemical treatment or washing of skins, hides or leather; processes of washing skins, hides or leather.

Relationship between large subject matter areas

With the chemical methods covered by subclass C14C, skins are processed to leather or leather is preserved. In contrast to this, bleaching of leather or furs is covered by D06L. General and special processes of dyeing leather or furs are provided for in subclass D06P.

Informative references

Attention is drawn to the following places, which may be of interest for search:

Footwear made of animal fibres	A43B 1/02
Making articles from leather	B68F
Adhesives and adhesive processes	C09J
Mechanical treatment of hides, skins or leather	C14B
Mechanical aspects of pasting processes	C14B 1/60
Treating textile materials by liquids, gases or vapours, e.g. impregnating, washing	D06B
Artificial leather	D06N 3/00-D06N 3/18

Glossary of terms

In this subclass, the following terms or expressions are used with the meaning indicated:

Fur	The body hair of non-human mammals, also known as the pelage.
Hide	Body covering or skin of an animal.
Leather	Animal hide or skin, which has been tanned.
Pasting process	An industrial process for stretching and drying wet skins, which have been glued (pasted) on a plane surface before.
Pelt	The skin of an animal with hair, fur, or wool still attached.
Tanning	A chemical treatment for animal hides or skins, making them soft and durable by preventing decomposition.
Technical leather	A leather that withstands tough wear and tear and is used, for instance, in the automotive and aviation industries (e.g. belts).