Show metadata Hide metadata

(19)

(11)

2 157 409

(13)

(51)

IPC

(21) (22)

Application

99125904/12, 1999-12-09

(24)

Start date

1999-12-09

(22)

Actual filing date

1999-12-09

(45)

Published

2000-10-10

(72)

Inventor

Chursin V.I.L'Vova A.N.Kunts M.I.Shlyk G.G.Krivosheeva N.A.Bykovskij Eh.S.

(73)

Holder

Tsentral'Nyj Nauchno-Issledovatel'Skij Institut Kozhevenno-Obuvnoj Promyshlennosti

OFFAL TREATMENT PROCESS Russian patent published in 2000 - IPC

Abstract RU 2157409 C1

FIELD: leather industry. SUBSTANCE: offal is treated with ammonium sulfate in amount 0.3-0.8% of the weight of offal in presence of 2:1 formaldehyde-urea condensation product, after which additional deashing is effected consuming 2.0-2.5% of ammonium sulfate based on the weight of offal. Finally, skin is softened. EFFECT: reduced leather quality and reduced offal consumption. 1 tbl, 5 ex

Similar patents RU2157409C1

Title	Year	Author	Number
METHOD OF MANUFACTURING LEATHER WITH TIGHTENED FACE SURFACE	1999	Chursin V.I.	RU2157410C1
METHOD OF TREATMENT OF DEPILATED HIDE	1999	Chursin V.I.(Ru) L'Vova A.N.(Ru) Kunts Mikhail Ivanovich Shlyk Gennadij Grigor'Evich Krivosheeva Nellja Andreevna	RU2156304C1
METHOD OF MANUFACTURING LEATHER FROM CATTLE STOMACHS	2000	Chursin V.I. Upine A.M. Smyslov A.V.	RU2164533C1
METHOD OF WORKING OUT TANNED INTERMEDIATE PRODUCT	1997	Chursin V.I. Shapkarina N.P.	RU2107731C1
METHOD OF TREATMENT OF POULTRY HIDES	2002	Chursin V.I.	RU2193602C1
PROCESS FOR MAKING TANNED PELT	1991	Chursin V.I. Volchkova T.A. Nabokova N.A. Abbasov V.M. Magerramov R.S. Abdullaev E.Sh.	RU2005792C1
METHOD OF TREATING LEATHER STOCK	1998	Chursin V.I.	RU2134297C1
METHOD FOR MAKING LEATHER	0	Balberova Nina Aleksandrovna Volchkova Tatyana Aleksandrovna Zhmotova Valentina Fedorovna Afanaseva Rimma Yakovlevna Makarova Elena Grigorevna	SU1051127A1
METHOD FOR MAKING ELASTIC SKINS FROM CATTLE HIDES	0	Krikunova Oksana Alekseevna Zajdes Asya Lazarevna Suchkov Vasilij Georgievich	SU1134597A1
METHOD OF LEATHER RAW TREATMENT	1996	Kochetova S.P. Shimenovich B.S. Zykova N.V. Studenikin S.I.	RU2096466C1

RU 2 157 409 C1

Authors

Chursin V.I.

L'Vova A.N.

Kunts M.I.

Shlyk G.G.

Krivosheeva N.A.

Bykovskij Eh.S.

Dates

2000-10-10—Published

1999-12-09—Filed