METHOD FOR PROCESSING OF LEATHER WASTES INTO LEATHER POWDER Russian patent published in 1995 - IPC

Abstract RU 2041264 C1

FIELD: processing leather. SUBSTANCE: leather wastes are wetted in aqueous medium within 2-6 h, 0.5-3 mass of hydrolyzing agent being added. Salt of alkali metal is used as said hydrolyzing agent. Then drying at 130-150 C within 20-80 min and grinding are carried out. EFFECT: improves efficiency of the method. 1 tbl

Similar patents RU2041264C1

Title	Year	Author	Number
METHOD OF PROCESSING LEATHER WASTES INTO LEATHER POWDER	1998	Levasheva A.S. Vershinin L.V.	RU2146714C1
METHOD OF PROCESSING LEATHER WASTE INTO LEATHER POWDER	1995	Denisov G.V. Mikhalev O.I.	RU2094466C1
COMPOSITION FOR PREPARING SHEET CRYOCROSS-LINKED COLLAGEN-CONTAINING MATERIAL	1992	Kirilenko Ju.K. Solov'Ev V.N. Kalevatov I.V. Makhonin V.D. Tikhonov Ju.A.	RU2035472C1
LEATHER WASTE DECHROMATION PROCESS	2001		RU2182930C1
METHOD OF PROCESSING LEATHER WASTE INTO LEATHER POWDER	0	Barambojm Nikolaj Konstantinovich Volnov Arkadij Aleksandrovich Fedenyuk Petr Vasilevich Kiryanova Galina Nikolaevna	SU1527264A1
LEATHER WASTE DECHROMATION PROCESS	2001		RU2182931C1
PROCESS FOR PREPARING COLLAGEN SPONGE	1993	Kalevatov I.V. Kirilenko Ju.K. Lazareva I.L. Makhonin V.D. Solov'Ev V.N. Tikhonov Ju.A.	RU2039766C1
HOT-STAMPING FOIL, METHOD AND APPARATUS FOR MANUFACTURING THEREOF	1995	Ivanov Ju.N. Sembaeva R.A. Kosterin V.V.	RU2103178C1
METHOD FOR PROCESSING CATTLE HIDES TO OBTAIN COLLAGEN-CONTAINING FOOD-PURPOSE MATERIAL	2022	Aliev Mikael Sergeevich Nazarov Andrei Viktorovich Bogachev Dmitrii Aleksandrovich	RU2795059C1
PROCESS FOR PREPARING COLLAGEN CONTAINING MATERIAL	1992	Ermakova I.M.	RU2018540C1

RU 2 041 264 C1

Authors

Samonin V.V.

Bogdanov Ju.V.

Dates

1995-08-09—Published

1993-03-01—Filed