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2 238 301

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IPC

(21) (22)

Application

2003115983/04, 2003-05-28

(24)

Start date

2003-05-28

(22)

Actual filing date

2003-05-28

(45)

Published

2004-10-20

(72)

Inventor

Ruchkinova O.I.Vajsman Ja.I.Korotaev V.N.

(73)

Holder

Gosudarstvennoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Gosudarstvennyj Tekhnicheskij Universitet"

PRESERVATIVE GREASE Russian patent published in 2004 - IPC

Abstract RU 2238301 C1

FIELD: lubricants.

SUBSTANCE: grease for protection of metallic structure against corrosion contains, as base oil, asphalt-tar-paraffin deposits formed during oil production and is composed of 10-20% petrolatum, 80-90% mentioned asphalt-tar-paraffin deposits, and 0.9-1.1% (above 100%) anticorrosion additive.

EFFECT: simplified grease composition, reduced consumption of petrolatum, extended resource of raw materials, and reduced cost.

2 tbl

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RU 2 238 301 C1

Authors

Ruchkinova O.I.

Vajsman Ja.I.

Korotaev V.N.

Dates

2004-10-20—Published

2003-05-28—Filed