CPC Subgroup
C14C 3/08 by organic agents
Full Title
Tanning; Compositions for tanning > Chemical tanning > by organic agents
7 direct subcodes
Child Classifications
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- C14C 3/10 Vegetable tanning
- C14C 3/14 Fat tanning; Oil tanning
- C14C 3/16 using aliphatic aldehydes
- C14C 3/18 using polycondensation products or precursors thereof
- C14C 3/22 using polymerisation products
- C14C 3/24 using lignin derivatives, e.g. sulfate liquor
- C14C 3/26 using other organic substances, containing halogen
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