IPC Main Group
C14C 13/00 Manufacture of special kinds of leather, e.g. vellum
Introduced: September 1968
Last revised: January 2006
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
Related Keywords
PARCHMENTVELLUM
1 direct subcode
Child Classifications
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- C14C 13/02 Manufacture of technical leather
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