Patenton — panteon of patents

(19)

RU

(11)

2 198 932

(13)

C1

(51)

IPC

(21) (22)

Application

2002111242/12, 2002-04-26

(24)

Start date

2002-04-26

(22)

Actual filing date

2002-04-26

(45)

Published

2003-02-20

(72)

Inventor

Chursin V.I.Shapkarina N.P.

(73)

Holder

Federal'Noe Gosudarstvennoe Unitarnoe Predprijatie Tsentral'Nyj Nauchno-Issledovatel'Skij Institut Kozhevenno-Obuvnoj Promyshlennosti

RAWSTOCK UNHAIRING METHOD Russian patent published in 2003 - IPC

Abstract RU 2198932 C1

FIELD: leather industry. SUBSTANCE: rawstock unhairing method, which can be used in soaking-liming processes in production of various-destination leathers, consists in treatment of rawstock in collagenase solution and limed in sodium sulfide and sodium hydroxide solution, consumption of the two latter being, respectively, 0.4-0.8 and 1.8-2.2 of the weight of rawstock. EFFECT: improved quality of leathers and reduced pollution of waste water. 1 tbl, 5 ex

Similar patents RU2198932C1

Title Year Author Number
RAWSTOCK TREATMENT METHOD 2002
  • Chursin V.I.
  • Shapkarina N.P.
 RU2213785C1
RAWSTOCK LIMING-DEPILATION PROCESS 2001
  • Chursin V.I.
 RU2174151C1
METHOD OF TREATING RAW HIDE 2003
  • Chursin V.I.
  • Mallashakhbanov Sh.A.
 RU2233337C1
RAWSTOCK TREATMENT PROCESS 2001
  • Kochetova S.P.
  • Shimenovich B.S.
  • Zykova N.V.
  • Studenikin S.I.
 RU2174150C1
METHOD OF TREATMENT OF POULTRY HIDES 2002
  • Chursin V.I.
 RU2193602C1
LEATHER MAKING METHOD 1999
  • Kochetova S.P.
  • Shimenovich B.S.
  • Zykova N.V.
  • Makarov-Zemljanskij Ja.Ja.
  • Fanasova T.Ju.
  • Studenikin S.I.
 RU2149900C1
METHOD OF LEATHER RAW TREATMENT 1996
  • Kochetova S.P.
  • Shimenovich B.S.
  • Zykova N.V.
  • Studenikin S.I.
 RU2096466C1
METHOD OF MANUFACTURING LEATHER WITH TIGHTENED FACE SURFACE 1999
  • Chursin V.I.
 RU2157410C1
METHOD OF PROCESSING RAWSTOCK 2001
  • Chursin V.I.
 RU2178810C1
METHOD OF TREATING RAW HIDE 2003
  • Kunts Mikhail Ivanovich
  • Shlyk Gennadij Grigor'Evich
  • Krivosheeva Nellja Andreevna
  • Jakovlev K.P.
  • Konova M.M.
 RU2233335C1

RU 2 198 932 C1

Authors

Chursin V.I.

Shapkarina N.P.

Dates

2003-02-20—Published

2002-04-26—Filed

download Download PDF read Similar patents