ES408987A1 - Procedimiento para la obtencion de curtientes. - Google Patents

Procedimiento para la obtencion de curtientes.

Info

Publication number
ES408987A1
ES408987A1 ES408987A ES408987A ES408987A1 ES 408987 A1 ES408987 A1 ES 408987A1 ES 408987 A ES408987 A ES 408987A ES 408987 A ES408987 A ES 408987A ES 408987 A1 ES408987 A1 ES 408987A1
Authority
ES
Spain
Prior art keywords
tanning agents
bisulfite
formaldehyde
production
condensation products
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES408987A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BASF SE
Original Assignee
BASF SE
Badische Anilin and Sodafabrik 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
Priority claimed from DE19712158610 external-priority patent/DE2158610C3/de
Application filed by BASF SE, Badische Anilin and Sodafabrik AG filed Critical BASF SE
Publication of ES408987A1 publication Critical patent/ES408987A1/es
Expired legal-status Critical Current

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
    • 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)
  • Phenolic Resins Or Amino Resins (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)
ES408987A 1971-11-26 1972-11-25 Procedimiento para la obtencion de curtientes. Expired ES408987A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712158610 DE2158610C3 (de) 1971-11-26 Verfahren zur Herstellung von Gerbstoffen auf der Grundlage von Kondensationsprodukten

Publications (1)

Publication Number Publication Date
ES408987A1 true ES408987A1 (es) 1975-10-01

Family

ID=5826179

Family Applications (1)

Application Number Title Priority Date Filing Date
ES408987A Expired ES408987A1 (es) 1971-11-26 1972-11-25 Procedimiento para la obtencion de curtientes.

Country Status (7)

Country Link
US (1) US3852374A (es)
BR (1) BR7208284D0 (es)
CA (1) CA980512A (es)
ES (1) ES408987A1 (es)
FR (1) FR2163108A5 (es)
GB (1) GB1407629A (es)
IT (1) IT973716B (es)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AR205801A1 (es) * 1973-11-08 1976-06-07 Ciba Geigy Ag Productos de reaccion del acido fenolsulfonico - urea - formaldehido particularmente utiles como substancias curtientes
US4032515A (en) * 1974-11-04 1977-06-28 Koppers Company, Inc. Curable resorcinol terminated urea-formaldehyde resins
CH603796A5 (es) * 1976-04-22 1978-08-31 Ciba Geigy Ag
US4211856A (en) * 1978-01-05 1980-07-08 Chesnokov Vadim D Process for producing acid agent from sulfonated phenol and formaldehyde
DE2843233C2 (de) * 1978-10-04 1985-07-18 Basf Ag, 6700 Ludwigshafen Gerbstoff und dessen Verwendung
EP0069267B1 (de) * 1981-07-01 1985-05-08 BASF Aktiengesellschaft Verfahren zur Herstellung von wetterfest verleimenden Mischkondensaten
FR2575755B1 (fr) * 1985-01-04 1987-04-24 Protex Manuf Prod Chimiq Procede de preparation de solutions aqueuses concentrees de produits de condensation melamine/phenol/formaldehyde anioniques, solutions obtenues et leur utilisation comme additifs pour materiaux de construction
DE4118007A1 (de) * 1991-06-01 1992-12-03 Basf Ag Kondensationsprodukte aus sulfonierten phenolen, harnstoff, weiteren organischen stickstoff-basen und formaldehyd und ihre verwendung als gerbstoffe und als spruehhilfsmittel fuer redispergierbare polymerpulver
DE19707713A1 (de) * 1997-02-26 1998-08-27 Basf Ag Zusammensetzung zur Behandlung von gegerbtem Leder, sowie ihre Herstellung
ES2874140T3 (es) 2017-05-17 2021-11-04 Stahl Int B V Agente de curtido para la producción de cuero que comprende un polímero de condensación de fenol sulfonado, urea y formaldehído
CN115181819A (zh) * 2022-05-23 2022-10-14 史密特(南京)皮革化学品有限公司 一种无甲醛三聚氰胺类复鞣剂、制备方法及设备

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB936560A (es) *
US1841840A (en) * 1928-01-28 1932-01-19 Firm J R Geigy S A Manufacture of tanning substances
US2242681A (en) * 1937-02-10 1941-05-20 Firm Of J R Geigy S A Tanning substances and their manufacture
US3475113A (en) * 1962-09-27 1969-10-28 Diamond Shamrock Corp Process for treatment of leather with condensates of aminoplast-sulfonated phenolic compounds
US3640932A (en) * 1968-10-21 1972-02-08 Monsanto Co Compositions for sand core mold elements
US3637561A (en) * 1968-10-21 1972-01-25 Monsanto Co Sulfonated phenolic-urea resin system

Also Published As

Publication number Publication date
DE2158610B2 (de) 1975-07-24
US3852374A (en) 1974-12-03
BR7208284D0 (pt) 1973-08-30
IT973716B (it) 1974-06-10
GB1407629A (en) 1975-09-24
FR2163108A5 (es) 1973-07-20
DE2158610A1 (de) 1973-05-30
CA980512A (en) 1975-12-30

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