IT1181473B - Tanning of hides - Google Patents

Tanning of hides

Info

Publication number
IT1181473B
IT1181473B IT84903/84A IT8490384A IT1181473B IT 1181473 B IT1181473 B IT 1181473B IT 84903/84 A IT84903/84 A IT 84903/84A IT 8490384 A IT8490384 A IT 8490384A IT 1181473 B IT1181473 B IT 1181473B
Authority
IT
Italy
Prior art keywords
tanning
pref
hides
greasing
dyeing
Prior art date
Application number
IT84903/84A
Other languages
Italian (it)
Other versions
IT8484903A0 (en
Inventor
Mario Lamacchi
Original Assignee
Mario Lamacchi
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 Mario Lamacchi filed Critical Mario Lamacchi
Priority to IT84903/84A priority Critical patent/IT1181473B/en
Publication of IT8484903A0 publication Critical patent/IT8484903A0/en
Priority to ZA8578A priority patent/ZA8578B/en
Application granted granted Critical
Publication of IT1181473B publication Critical patent/IT1181473B/en

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Abstract

Hides are tanned by pre-tanning, tanning proper, neutralisation, re-tanning, greasing and dyeing. In the process at least the tanning and re-tanning steps are effected fully or in part using vegetable tanning substances (I). Tanning is pref. for 10-12 hr. at 28-30 deg.C in the presence of 0-4% Cr-based prods. and 20-5% (I). Re-tanning is pref. at 35-45 deg.C for 60-90 min. with 5-20% (I) only. Greasing is pref. at 50-70 deg.C for 60-90 min. using 4-10% coconut pulp paste. Dyeing is pref. effected by addn. of ca 1% by wt. of an aniline dye.
IT84903/84A 1984-01-13 1984-01-13 Tanning of hides IT1181473B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT84903/84A IT1181473B (en) 1984-01-13 1984-01-13 Tanning of hides
ZA8578A ZA8578B (en) 1984-01-13 1985-01-04 Method of tanning hides

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT84903/84A IT1181473B (en) 1984-01-13 1984-01-13 Tanning of hides

Publications (2)

Publication Number Publication Date
IT8484903A0 IT8484903A0 (en) 1984-01-13
IT1181473B true IT1181473B (en) 1987-09-30

Family

ID=11325464

Family Applications (1)

Application Number Title Priority Date Filing Date
IT84903/84A IT1181473B (en) 1984-01-13 1984-01-13 Tanning of hides

Country Status (2)

Country Link
IT (1) IT1181473B (en)
ZA (1) ZA8578B (en)

Also Published As

Publication number Publication date
IT8484903A0 (en) 1984-01-13
ZA8578B (en) 1985-08-28

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