C14C TREATING SKINS, HIDES OR LEATHER WITH CHEMICALS, ENZYMES OR MICROORGANISMS, e.g. TANNING, IMPREGNATING OR FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
Introduced: September 1968
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- SKINS; HIDES; PELTS OR LEATHER
- Subclass:
- TREATING SKINS, HIDES OR LEATHER WITH CHEMICALS, ENZYMES OR MICROORGANISMS, e.g. TANNING, IMPREGNATING OR FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
Description
C14C covers chemical, enzymatic, and microbiological processing of animal skins, hides, and leather, including tanning, impregnation, and finishing operations. This subclass encompasses tanning agents and compositions (mineral, vegetable, synthetic), enzymes and microorganisms used in leather processing, and apparatus designed for treatment applications. It addresses both traditional and modern leather production methods, including hide preservation, coloration, water-resistance treatment, and surface finishing. Related mechanical or preparatory treatments of raw hides are classified separately under C14B.
Additional Content
Fur furs The body hair of non-human mammals, also known as the pelage. Hide hides Body covering or skin of an animal. Leather leathers Animal hide or skin, which has been tanned. Pasting process pasting processes An industrial process for stretching and drying wet skins, which have been glued (pasted) on a plane surface before. Pelt pelts 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).
Related Keywords
9 direct subcodes
Child Classifications
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- C14C 1/00 Treating skins or hides with chemicals, enzymes or microorganisms prior to tanning
- C14C 11/00 Surface finishing of leather
- C14C 13/00 Manufacture of special kinds of leather, e.g. vellum
- C14C 15/00 Apparatus for chemical treatment or washing of hides, skins, or leather
- C14C 3/00 Tanning; Compositions for tanning
- C14C 5/00 Degreasing leather
- C14C 7/00 Chemical aspects of pasting processes
- C14C 9/00 Impregnating leather for preserving, waterproofing, making resistant to heat or similar purposes
- C14C 99/00 Subject matter not provided for in other groups of this subclass
Top Applicants
Top 10 applicants by patent filingsfor class C14, 2013–2023, worldwide · Source: EPO PATSTAT
- SHAANXI UNIVERSITY OF SCIENCE AND TECHNOLOGY 236
- SICHUAN UNIVERSITY 186
- XINGYE LEATHER TECHNOLOGY COMPANY 118
- NANTONG SIRUI ENGINEERING COMPANY 104
- HENAN PROSPER SKINS & LEATHER ENTERPRISE COMPANY 93
- LIAONING FUXIN NEW MATERIAL COMPANY 90
- FENGAN LEATHER COMPANY 70
- ZHANGZHOU XIANGZHOU LEATHER COMPANY 70
- STAHL INTERNATIONAL NL 68
- ZHEJIANG FUBANG GROUP COMPANY 61