1.
    发明专利
    未知

    公开(公告)号:SE7712964L

    公开(公告)日:1978-05-17

    申请号:SE7712964

    申请日:1977-11-16

    Applicant: PHILAGRO SA

    Abstract: Process for the manufacture of aluminum ethylphosphite, which consists in reacting an excess of a ternary mixture in equilibrium comprising, in moles, from 23 to 93%, of diethyl phosphite, of 59 to 7% of monoethyl phosphite, and from 18 to 0.1% phosphorous acid, with alumina possibly hydrated, at a temperature comprised between 20 and 100º c, under reduced pressure, the water resulting from the reaction being eliminated simultaneously, as it is formed. (Machine-translation by Google Translate, not legally binding)

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