BE451742A - - Google Patents

Info

Publication number
BE451742A
BE451742A BE451742DA BE451742A BE 451742 A BE451742 A BE 451742A BE 451742D A BE451742D A BE 451742DA BE 451742 A BE451742 A BE 451742A
Authority
BE
Belgium
Prior art keywords
products
condensation
formaldehyde
parts
weight
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE451742A publication Critical patent/BE451742A/fr

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C14SKINS; HIDES; PELTS; LEATHER
    • C14CCHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
    • C14C3/00Tanning; Compositions for tanning
    • C14C3/02Chemical tanning
    • C14C3/08Chemical tanning by organic agents
    • C14C3/18Chemical tanning by organic agents using polycondensation products or precursors thereof
    • C14C3/20Chemical tanning by organic agents using polycondensation products or precursors thereof sulfonated

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)
BE451742D BE451742A (d)

Publications (1)

Publication Number Publication Date
BE451742A true BE451742A (d)

Family

ID=106520

Family Applications (1)

Application Number Title Priority Date Filing Date
BE451742D BE451742A (d)

Country Status (1)

Country Link
BE (1) BE451742A (d)

Similar Documents

Publication Publication Date Title
BE451742A (d)
EP0008032B1 (de) Kondensationsprodukte aus Terphenylsulfonsäuren, Naphthalinsulfonsäuren, Bis-(4-hydroxyphenyl)-sulfon und Formaldehyd und ihre Verwendung als Gerbstoffe
US2676170A (en) Water-soluble derivatives of unsulfonated lignin
BE429894A (d)
BE497153A (d)
SU395418A1 (ru) Способ получения водорастворимых полиэлектролитов
BE489645A (d)
RU2173714C1 (ru) Способ получения синтетического дубителя бнф
BE387070A (d)
US1089797A (en) Tanning material.
BE456608A (fr) Agents de tannage et leur procede de fabrication
BE467040A (d)
BE405988A (d)
BE357437A (d)
BE425333A (d)
BE489709A (d)
US1533594A (en) Tanning agent
RU2173711C1 (ru) Способ получения синтетического дубителя слс
SU52458A1 (ru) Способ получени воднорастворимого нигрозина
RU2173713C1 (ru) Способ получения синтетического дубителя лбн
BE450998A (d)
BE491043A (d)
BE496447A (d)
BE409378A (d)
BE516959A (d)