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2 122 986

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Application

96107593/04, 1996-04-16

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Actual filing date

1996-04-16

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Published

1998-12-10

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Inventor

Khabirov D.M.Imashev B.U.Mingaraev S.S.Khajrullin R.N.Burangulov R.I.Jakovlev V.V.Khajrudinov I.R.Akhmetov A.F.Tanatarov M.A.

(73)

Holder

Institut Problem Neftekhimpererabotki Akademii Nauk Respubliki BashkortostanNauchno-Issledovatel'Skij, Proektno-Konstruktorskij I Proizvodstvennyj Institut Stroitel'Nogo Kompleksa Respubliki Bashkortostan

METHOD OF PREPARING ADDITIVE TO CONCRETES AND SOLUTIONS Russian patent published in 1998 - IPC

Abstract RU 2122986 C1

FIELD: construction, particularly, manufacture of concrete and reinforced concrete products. SUBSTANCE: method comprises sulfonating original aromatic hydrocarbon stock, condensing sulfonated stock with formaldehyde and neutralizing the resulting product. Said original stock includes stillage residue resulting from production of aromatic hydrocarbons and process of catalytic reforming of gasoline that evaporates at temperature higher than 210 C. The present invention makes it possible to improve properties of additive, increase strength and frost resistance of concrete. EFFECT: more efficient preparation method. 1 tbl

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RU 2 122 986 C1

Authors

Khabirov D.M.

Imashev B.U.

Mingaraev S.S.

Khajrullin R.N.

Burangulov R.I.

Jakovlev V.V.

Khajrudinov I.R.

Akhmetov A.F.

Tanatarov M.A.

Dates

1998-12-10—Published

1996-04-16—Filed

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