C14C CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING (bleaching of leather or furs D06L; dyeing of leather or furs D06P)
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.
9 direct subcodes
Child Classifications
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- C14C 1/00 Chemical treatment prior to tanning
- C14C 11/00 Surface finishing of leather
- C14C 13/00 Manufacture of special kinds or leather, e.g. vellum (chamois tanning C14C3/14)
- 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 Pasting processes (chemical part)
- 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 183
- SICHUAN UNIVERSITY 135
- XINGYE LEATHER TECHNOLOGY COMPANY 93
- AGFA-GEVAERT BE 80
- MODERN MEADOW US 78
- XEROS GB 72
- STAHL INTERNATIONAL NL 69
- TFL LEDERTECHNIK DE 60
- MINKPAPIR DK 53
- EIKON TECHNOLOGIES HOLDING LU 51