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2 160 293

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C1

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IPC

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Application

99108505/04, 1999-04-21

(24)

Start date

1999-04-21

(22)

Actual filing date

1999-04-21

(45)

Published

2000-12-10

(72)

Inventor

Zinov'Ev A.P.Ol'Kov P.L.Zinov'Ev S.A.

(73)

Holder

Ufimskij Gosudarstvennyj Neftjanoj Tekhnicheskij Universitet

WATERPROOFING MASTIC Russian patent published in 2000 - IPC

Abstract RU 2160293 C1

FIELD: manufacture of building materials. SUBSTANCE: mastic designed for insulation of metal surfaces of building structures, pipelines, and car bottoms is composed of, wt %: 1:4 mixture of cracking residue (viscosity breaking) and Arlanian petroleum goudron 45-55, butyl rubber 11-12, 1:1 mixture of extract from selective treatment of the third lube fraction and deasphalting agent 7.5-8.0, liquid butadiene- styrene rubber 3.5-3.0, sulfonate additive production sludge 3.6-4.6, and solvent 20-30.4. EFFECT: improved working characteristics of composition at low temperature. 5 tbl

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RU 2 160 293 C1

Authors

Zinov'Ev A.P.

Ol'Kov P.L.

Zinov'Ev S.A.

Dates

2000-12-10—Published

1999-04-21—Filed

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