METHOD OF PREPARING ALKALI REAGENT FOR REGENERATION OF LUBRICATING OIL Russian patent published in 1999 - IPC

Abstract RU 2140463 C1

FIELD: lubricating materials. SUBSTANCE: variable-valence IV and V group metals and I and II group metals are melted and metallic filler (0.1- 10 weight parts) made from metal-conversion waste in the form of porous element is deepened into above melt (1 weight part) at temperature by 10 to 70 C higher than melting point of melt and kept there for 1 to 15 min. Filler is then removed from melt, immersed into inert medium, and cooled. EFFECT: facilitated procedure. 4 cl, 1 dwg

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RU 2 140 463 C1

Authors

Kartoshkin A.P.

Ashkinazi L.A.

Filimonov V.A.

Braslavskij M.I.

Dates

1999-10-27—Published

1994-10-10—Filed