NL64403C - Werkwijze ter bereiding van looistoffen, uitgaande van di(hydroxyphenyl)sulfonen - Google Patents

Werkwijze ter bereiding van looistoffen, uitgaande van di(hydroxyphenyl)sulfonen

Info

Publication number
NL64403C
NL64403C NL112240A NL112240A NL64403C NL 64403 C NL64403 C NL 64403C NL 112240 A NL112240 A NL 112240A NL 112240 A NL112240 A NL 112240A NL 64403 C NL64403 C NL 64403C
Authority
NL
Netherlands
Prior art keywords
sulphones
hydroxyphenyl
preparation
tanning substances
tanning
Prior art date
Application number
NL112240A
Other languages
English (en)
Original Assignee
I.G. Farbenindustrie Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by I.G. Farbenindustrie Ag filed Critical I.G. Farbenindustrie Ag
Application granted granted Critical
Publication of NL64403C publication Critical patent/NL64403C/nl

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
    • C14C3/00—Tanning; Compositions for tanning
    • C14C3/02—Chemical tanning
    • C14C3/08—Chemical tanning by organic agents
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/12—Silica-free oxide glass compositions
    • C03C3/16—Silica-free oxide glass compositions containing phosphorus
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/12—Silica-free oxide glass compositions
    • C03C3/16—Silica-free oxide glass compositions containing phosphorus
    • C03C3/17—Silica-free oxide glass compositions containing phosphorus containing aluminium or beryllium
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/12—Silica-free oxide glass compositions
    • C03C3/16—Silica-free oxide glass compositions containing phosphorus
    • C03C3/19—Silica-free oxide glass compositions containing phosphorus containing boron
    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
    • C14C3/00—Tanning; Compositions for tanning
    • C14C3/02—Chemical tanning
    • C14C3/08—Chemical tanning by organic agents
    • C14C3/18—Chemical tanning by organic agents using polycondensation products or precursors thereof
    • C14C3/20—Chemical 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)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)
NL112240A 1942-07-10 1943-07-16 Werkwijze ter bereiding van looistoffen, uitgaande van di(hydroxyphenyl)sulfonen NL64403C (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE64403X 1942-07-10
DEF2673D DE858560C (de) 1942-07-10 1942-07-11 Verfahren zur Herstellung von Gerbstoffen

Publications (1)

Publication Number Publication Date
NL64403C true NL64403C (nl) 1949-10-15

Family

ID=60410257

Family Applications (1)

Application Number Title Priority Date Filing Date
NL112240A NL64403C (nl) 1942-07-10 1943-07-16 Werkwijze ter bereiding van looistoffen, uitgaande van di(hydroxyphenyl)sulfonen

Country Status (2)

Country Link
DE (1) DE858560C (nl)
NL (1) NL64403C (nl)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1150488B (de) * 1958-03-22 1963-06-20 Bayer Ag Verfahren zur Herstellung von Schrumpfleder

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE677126C (de) * 1936-06-26 1939-06-19 Geigy Ag J R Verfahren zur Darstellung wasserloeslicher Kondensationsprodukte

Also Published As

Publication number Publication date
DE858560C (de) 1952-12-08

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