C
SECTION C — CHEMISTRY AND METALLURGY
  
CHEMISTRY
 C14
SKINS; HIDES; PELTS; LEATHER
 C14C
CHEMICAL TREATMENT OF HIDES, SKINS AND LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING (dyeing and bleaching of leather or furs D06)
 C14C 1/00
Chemical treatment prior to tanning
 C14C 1/02
·  Curing raw hides
 C14C 1/04
·  Soaking
 C14C 1/06
·  Facilitating unhairing, e.g. by painting, by liming
 C14C 1/08
·  Deliming; Bating; Pickling; Degreasing
 C14C 3/00
Tanning; Compositions for tanning
 C14C 3/02
·  Chemical tanning
 C14C 3/04
·  ·  Mineral tanning
 C14C 3/06
·  ·  ·  using chromium compounds
 C14C 3/08
·  ·  by organic agents
 C14C 3/10
·  ·  ·  Vegetable tanning
 C14C 3/12
·  ·  ·  ·  using purified or modified vegetable tanning agents
 C14C 3/14
·  ·  ·  Fat tanning; Oil tanning
 C14C 3/16
·  ·  ·  using aliphatic aldehydes
 C14C 3/18
·  ·  ·  using polycondensation products or precursors thereof
 C14C 3/20
·  ·  ·  ·  sulphonated
 C14C 3/22
·  ·  ·  using polymerisation products
 C14C 3/24
·  ·  ·  using lignin derivatives, e.g. sulphate liquor
 C14C 3/26
·  ·  ·  using other organic substances, containing halogen
 C14C 3/28
·  ·  Multi-step processes
 C14C 3/30
·  ·  using physical means combined with chemical means
 C14C 3/32
·  Recovering tanning agents from leather
 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 9/02
·  using fatty or oily materials, e.g. fat liquoring
 C14C 9/04
·  Fixing tanning agents in the leather
 C14C 11/00
Surface finishing of leather
 C14C 13/00
Manufacture of special kinds of leather, e.g. vellum (chamois tanning C14C 3/14)
 C14C 13/02
·  Manufacture of technical leather
 C14C 15/00
Apparatus for chemical treatment or washing of hides, skins, or leather