CPC Subgroup
C14C 3/08 by organic agents
Full Title
Tanning; Compositions for tanning > Chemical tanning > by organic agents
Filing statistics
CPC C14C 3/08 belongs to the parent subclass C14C, which recorded 5,302 patent applications worldwide between 2013 and 2023. Annual filings grew from 175 in 2013 to 317 in 2023 (+81%), peaking at 739 applications in 2017. The most active applicants in class C14 are SHAANXI UNIVERSITY OF SCIENCE AND TECHNOLOGY (183 applications), SICHUAN UNIVERSITY (135 applications) and XINGYE LEATHER TECHNOLOGY COMPANY (93 applications).
Source: EPO PATSTAT, worldwide filings
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