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2 081 110

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IPC

(21) (22)

Application

5039883/04, 1992-03-20

(22)

Actual filing date

1992-03-20

(45)

Published

1997-06-10

(72)

Inventor

Galiev R.G.Sakhapov G.Z.Sharafeev Z.F.Khismatullin N.I.Shajdullin F.F.Kolontsov A.V.Gershanov F.B.Tikhomirov A.P.Borodin M.B.Gil'Mutdinov G.Z.Saljamov D.S.Borejko Ju.I.Sosnovskaja L.B.Vjachkileva I.O.

(73)

Holder

Nauchno-Proizvodstvennaja Firma

PROCESS FOR PREPARING N,N-SUBSTITUTED DITHIOCARBAMINIC ACID ESTERS, 3,5-DIALKYL(CYCLOALKYL, ARALKYL, OR ARYL)-4-OXYBENZYL ALCOHOLS Russian patent published in 1997 - IPC

Abstract RU 2081110 C1

FIELD: chemical industry. SUBSTANCE: claimed process relates to processes for preparation of stabilizers for polymeric materials and rubbers. Method involves reacting respective 2,6-dialkyl(cycloalkyl, aralkyl or aryl) phenol, N,N-tertaalkylmethylene-bis-amine and hydrogen sulfide in equimolar amounts and carrying out process in admixture of two aprotic and proton-donor solvents at volumetric ratio of 99:1 to 1:99. EFFECT: simplified process technology, increased yield of product and improved ecological properties. 2 cl

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RU 2 081 110 C1

Authors

Galiev R.G.

Sakhapov G.Z.

Sharafeev Z.F.

Khismatullin N.I.

Shajdullin F.F.

Kolontsov A.V.

Gershanov F.B.

Tikhomirov A.P.

Borodin M.B.

Gil'Mutdinov G.Z.

Saljamov D.S.

Borejko Ju.I.

Sosnovskaja L.B.

Vjachkileva I.O.

Dates

1997-06-10—Published

1992-03-20—Filed