METHOD OF TREATING LEATHER Russian patent published in 2006 - IPC C14C1/08 C14C3/06 

Abstract RU 2280695 C1

FIELD: leather industry.

SUBSTANCE: method comprises pickling, tanning, and neutralizing the semifinished item. During pickling and subsequent tanning, the picking liquid is provided with acetate sodium in amount of 0.2-0.5 % and, then, chromic tanner in amount of 1.5-1.8%. The tanning is carried out until the pH of the solution reaches 4.2-4.4.

EFFECT: enhanced quality of tanning.

2 tbl

Similar patents RU2280695C1

Title Year Author Number
METHOD OF TREATING LEATHER 0
  • Sidorin Vitalij Fedorovich
  • Derbaremdiker Mark Lejvi-Isaakovich
  • Golubev Anatolij Vasilevich
  • Gorbachev Anatolij Andreevich
  • Lyumkis Roman Davidovich
  • Kharlashkin Valentin Ivanovich
SU1675334A1
METHOD OF SKIN PROCESSING FOR FOOTWEAR UPPER 0
  • Strakhov Ivan Pavlovich
  • Kutsidi Dmitrij Apostolovich
  • Studenikin Sergej Ivanovich
  • Morozov Valerij Viktorovich
  • Samsonov Sergej Anatolevich
  • Novak Aleksej Alekseevich
SU1574634A1
METHOD OF LEATHER PROCESSING 2011
  • Klenovskaja Natal'Ja Viktorovna
  • Bajandin Maksim Valer'Evich
  • Galushkina Tat'Jana Alekseevna
  • Klenovskij Dmitrij Valer'Evich
  • Chepygova Ol'Ga Ivanovna
  • Jakovlev Konstantin Petrovich
  • Bogomolov Vladimir Georgievich
  • Chizh Larisa Evgen'Evna
  • Golubeva Elena Ivanovna
  • Gerasimova Lidija Georgievna
RU2467071C1
METHOD OF PRODUCING SEMIFINISHED LEATHER ARTICLES 0
  • Ovdin Aleksandr Andreevich
  • Mogilevtsev Viktor Egorovich
  • Samarin Valentin Aleksandrovich
  • Rogozhina Valentina Alekseevna
  • Krikunova Oksana Alekseevna
  • Kozyreva Nelli Sergeevna
  • Luzakova Svetlana Vasilevna
SU1546490A1
METHOD FOR TREATMENT OF LEATHER 1993
  • Chursin V.I.
  • Volchkova T.A.
  • Babich N.P.
  • L'Vova A.N.
RU2039086C1
METHOD OF MAKING CHROMIUM TANNING LEATHERS 1998
  • Zurabjan K.M.(Ru)
  • Makarov-Zemljanskij Ja.Ja.(Ru)
  • Arifov Tofik Murtazaevich
  • Karas' Anatolij Mikhajlovich
  • Khlystova L.G.(Ru)
  • Gurova N.P.(Ru)
  • Lavrent'Eva T.A.(Ru)
  • Men'Shikov B.I.(Ru)
RU2130495C1
METHOD OF MAKING LEATHER 2012
  • Bajandin Maksim Valer'Evich
  • Bogomolov Vladimir Georgievich
  • Klenovskij Dmitrij Valer'Evich
  • Danilin Denis Vladimirovich
  • Golubeva Elena Ivanovna
  • Chizh Larisa Evgen'Evna
  • Khizhnjak Svetlana Nikolaevna
  • Gerasimova Lidija Georgievna
RU2502807C1
LOW-LIQUID METHOD FOR OBTAINING SEMI-FINISHED LEATHER 2021
  • Gorbacheva Mariya Vladimirovna
  • Sukhinina Tatyana Vyacheslavovna
  • Gordienko Inna Mikhajlovna
  • Pukhova Irina Dmitrievna
  • Strepetova Oksana Alekseevna
  • Reusova Tatyana Viktorovna
RU2778795C1
METHOD OF TANNING LEATHER 0
  • Lyumkis Roman Davidovich
  • Derbaremdiker Mark Lejvi-Isaakovich
  • Zhuravskij Vasilij Antonovich
  • Kirkach Lidiya Ivanovna
  • Timokhina Nina Vasilevna
  • Shikhov Boris Alekseevich
  • Lutitskij Aleksej Ivanovich
  • Kutsidi Dmitrij Apostolovich
  • Telbiz German Mikhajlovich
  • Ponomarev Sergej Gavrilovich
  • Kosarin Vyacheslav Nikolaevich
  • Shtanko Nikolaj Petrovich
  • Kornak Valerij Tarasovich
SU1490163A1
METHOD FOR PREPARING SPLIT OF FLESH SIDE OF HIDE 1992
  • Gorbatov S.V.
  • Jakovlev K.P.
  • Makhmurov A.G.
  • Korneev I.A.
RU2036972C1

RU 2 280 695 C1

Authors

Osadchenko Ivan Mikhajlovich

Gorlov Ivan Fedorovich

Khristoforova Valentina Vasil'Evna

Lupacheva Natal'Ja Aleksandrovna

Dates

2006-07-27Published

2005-01-27Filed