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2 072 971

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C1

(51)

IPC

(21) (22)

Application

93015448/04, 1993-03-24

(22)

Actual filing date

1993-03-24

(45)

Published

1997-02-10

(72)

Inventor

Gladkikh Ju.P.Zavrazhina V.I.Jadykina V.V.

(73)

Holder

Gladkikh Jurij Petrovich

ADDITION FOR CONCRETE MIXTURE Russian patent published in 1997 - IPC

Abstract RU 2072971 C1

FIELD: building industry. SUBSTANCE: addition has, wt.-%: vat residue of synthetic fatty acid production based on higher fatty acids 31.25-47.62; sodium hydroxide 4.76-6.25, and vat residue of caprolactam regeneration based on caprolactam and its oligomers 47.62-62.5. Addition consumption is decreased by 23-230 times. EFFECT: decreased addition consumption, retained strength indices. 1 tbl

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RU 2 072 971 C1

Authors

Gladkikh Ju.P.

Zavrazhina V.I.

Jadykina V.V.

Dates

1997-02-10—Published

1993-03-24—Filed

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