IT973716B - Sostanze da concia - Google Patents

Sostanze da concia

Info

Publication number
IT973716B
IT973716B IT54260/72A IT5426072A IT973716B IT 973716 B IT973716 B IT 973716B IT 54260/72 A IT54260/72 A IT 54260/72A IT 5426072 A IT5426072 A IT 5426072A IT 973716 B IT973716 B IT 973716B
Authority
IT
Italy
Prior art keywords
tanning substances
tanning
substances
Prior art date
Application number
IT54260/72A
Other languages
English (en)
Original Assignee
Basf 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 Ag filed Critical Basf Ag
Application granted granted Critical
Publication of IT973716B publication Critical patent/IT973716B/it

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
IT54260/72A 1971-11-26 1972-11-24 Sostanze da concia IT973716B (it)

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
IT973716B true IT973716B (it) 1974-06-10

Family

ID=5826179

Family Applications (1)

Application Number Title Priority Date Filing Date
IT54260/72A IT973716B (it) 1971-11-26 1972-11-24 Sostanze da concia

Country Status (7)

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

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 (it) * 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
DE3263662D1 (en) * 1981-07-01 1985-06-13 Basf Ag Process for preparing weather resistant sticky cocondensates
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
WO2018212651A1 (en) 2017-05-17 2018-11-22 Stahl International B.V. Tanning agent for leather production comprising a condensation poly mer of sulfonated phenol, urea, and formaldehyde
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 (it) *
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
US3852374A (en) 1974-12-03
DE2158610A1 (de) 1973-05-30
FR2163108A5 (it) 1973-07-20
GB1407629A (en) 1975-09-24
DE2158610B2 (de) 1975-07-24
BR7208284D0 (pt) 1973-08-30
ES408987A1 (es) 1975-10-01
CA980512A (en) 1975-12-30

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