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IPC

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Application

2001130236/04, 2001-11-08

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Start date

2001-11-08

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Actual filing date

2001-11-08

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Published

2003-10-10

(72)

Inventor

Apkarimova G.I.Dzhemilev U.M.Istomin N.N.Divakova N.A.Pavlov M.L.Patrikeev V.A.Kutepov B.I.Bikbaev R.T.Patrikeev D.V.Olontsev I.F.

(73)

Holder

Gu Institut Neftekhimii I Kataliza An Rb I Unts RanOao

METHOD OF PREPARING GRANULATED SYNTHETIC ZEOLITE-CONTAINING SYNTHETIC DETERGENT COMPONENTS Russian patent published in 2003 - IPC

Abstract RU 2213770 C2

FIELD: detergents. SUBSTANCE: highly dispersed type A zeolite with crystal size 1-3 mcm and moisture content 20-40% is mixed with carboxymethylcellulose (binder) in the form of dry powder or aqueous solution in amounts 5-10 wt % based on the weight of dry zeolite. Mixture is extruded to give granules, which are dried on belt drier at 130-180 C, ground into fraction 0.2-2.5 mm, which is screened to give fraction 0.2 mm. The latter is once more mixed with binder. EFFECT: increased mechanical strength of granules and their cation-exchange capacity with regard to CaO, enhanced flowability and reduced dusting. 1 tbl, 9 ex

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RU 2 213 770 C2

Authors

Apkarimova G.I.

Dzhemilev U.M.

Istomin N.N.

Divakova N.A.

Pavlov M.L.

Patrikeev V.A.

Kutepov B.I.

Bikbaev R.T.

Patrikeev D.V.

Olontsev I.F.

Dates

2003-10-10—Published

2001-11-08—Filed