7.
    发明专利
    未知

    公开(公告)号:DE3327014A1

    公开(公告)日:1985-02-14

    申请号:DE3327014

    申请日:1983-07-27

    Applicant: HOECHST AG

    Abstract: The invention relates to new terpene ethers of the formula in which R denotes a cyclic or bicyclic radical or an alkyl radical which is substituted by cyclic, bicyclic or tricyclic radicals, optionally via an oxygen bridge. The compounds are prepared by reaction of camphene with alcohols R-OH, in which R represents one of the above-mentioned radicals. The new ethers are used in the field of aroma substances and solvents, and as intermediates for plant protection agents, agents for combating pests and medicaments.

    10.
    发明专利
    未知

    公开(公告)号:DE1668023A1

    公开(公告)日:1971-11-18

    申请号:DE1668023

    申请日:1967-09-19

    Applicant: HOECHST AG

    Abstract: 1,188,745. Purification of monochloroacetic acid. FARBWERKE HOECHST AG. 19 Sept., 1968 [19 Sept., 1967], No. 44609/68. Heading C2C. Monochloroacetic acid is purified by passing the crude acid in the liquid state at 110‹ to 145‹ C. and hydrogen over a stationary catalyst consisting of at least one noble metal of Group VIII of the Periodic Table supported on an acidresistant carrier. Specified catalysts are palladium-group metals and their alloys and specified carriers are alumina, carbon, silicic acid, silicon carbide and boron carbide.

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