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Application

4637777/04, 1989-01-16

(22)

Actual filing date

1989-01-16

(45)

Published

1996-02-10

(72)

Inventor

Ivanov B.E.Krokhina S.S.Fridland N.S.Platova E.V.Badeeva E.K.Liakumovich A.G.Fridman B.S.Gamer P.U.Rybka V.Ja.Loskutov L.G.Kljuev B.L.Mitrokhin A.M.Beskopyl'Nyj A.M.Grjunberg Ju.A.Kalashnikov I.V.

β-HYDROXYETHYLTRIMETHYLAMMONIUM HYPOPHOSPHITE AS A REDUCING REAGENT AT ELECTROCHEMICAL NICKEL-PLATING AND A METHOD OF ITS PRODUCING Russian patent published in 1996 - IPC

Abstract SU 1614451 A1

FIELD: organic chemistry. SUBSTANCE: method involves the reaction of elemental phosphorus with b--hydroxyethyltrimethylammonium hydroxide and water at 90 C at molar ratio of reagents 1:(4-6.5):(4-30). The yield is 65%; β- empirical formula is n20D

1,4870; d204
 1,1942;. Use of proposed reagent provides increase of active working life from 30-40 hr (for known sodium hypophosphite) to 350 hr. Proposed reagent is stable and does not show by-side effects (nickel deposition). EFFECT: increased effectiveness and stability of new reagent. 3 cl, 2 tbl

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SU 1 614 451 A1

Authors

Ivanov B.E.

Krokhina S.S.

Fridland N.S.

Platova E.V.

Badeeva E.K.

Liakumovich A.G.

Fridman B.S.

Gamer P.U.

Rybka V.Ja.

Loskutov L.G.

Kljuev B.L.

Mitrokhin A.M.

Beskopyl'Nyj A.M.

Grjunberg Ju.A.

Kalashnikov I.V.

Dates

1996-02-10—Published

1989-01-16—Filed

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