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2 161 630

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C2

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IPC

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Application

99104529/04, 1999-03-02

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Start date

1999-03-02

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Actual filing date

1999-03-02

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Published

2001-01-10

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Inventor

Ivanov B.E.Krokhina S.S.Nasybullina F.G.Liakumovich A.G.Kavun S.M.Modenkova I.A.Gotlib E.M.Verizhnikov L.V.Grinberg L.P.Okhotina N.A.Surkov V.D.Logutov I.Ju.Ljubimov N.V.

(73)

Holder

Opytno-Promyshlennoe Predprijatie Tsentra Po Razrabotke Ehlastomerov

RUBBER STABILIZER BASED ON UNSATURATED NATURAL RUBBERS Russian patent published in 2001 - IPC

Abstract RU 2161630 C2

FIELD: rubber- processing industry. SUBSTANCE: stabilizer comprises products of reaction of butyl phenols with hexamethylene tetramine at ratios, wt parts 100: (2.0-8.5), polymer 2,2,4-trimehyl-1,2-dihydroquinoline, 30-70; and reaction products, 30- 70. Mixture of butyl phenols comprises, wt %: 2,6-ditert-butyl phenol, 0.5-2.0; 2,4-tert-butyl phenol, 22-75; 2,4,6-tri-tert butyl phenol, 14-61; mono- and di- substituted butyl phenols, 10.5-15.0. EFFECT: protection of rubbers for thermal and ozone aging. 5 ex, 5 tbl

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RU 2 161 630 C2

Authors

Ivanov B.E.

Krokhina S.S.

Nasybullina F.G.

Liakumovich A.G.

Kavun S.M.

Modenkova I.A.

Gotlib E.M.

Verizhnikov L.V.

Grinberg L.P.

Okhotina N.A.

Surkov V.D.

Logutov I.Ju.

Ljubimov N.V.

Dates

2001-01-10—Published

1999-03-02—Filed

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