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    22.
    发明专利
    未知

    公开(公告)号：DD157463A5

    公开(公告)日：1982-11-10

    申请号：DD22845881

    申请日：1981-03-19

    Applicant: HOECHST AG

    Inventor： KRAUSE WERNER ,  GROSSE JUERGEN ,  KLOSE WERNER

    IPC: C07F9/165 ,  B01J31/00 ,  B01J31/02 ,  C07B61/00 ,  C07F9/17 ,  C07F9/18

    Abstract: The invention relates to a process wherein an alcohol and/or phenol is reacted with phosphorus pentasulfide in the presence of a catalyst which is selected from (a) phosphonium salts of the general formula: I (b) ammonium salts of the general formula: II (c) phosphine oxides of the general formula: III (d) phosphine sulfides of the general formula: IV (e) phosphinic acid derivatives of the general formula: V In formulae I through V, the substituents R1, R2, R3 and R4 each stand for identical or different alkyl-, aryl-, alkaryl- or aralkyl- groups having from 1 to 22 carbon atoms. A stands for an inorganic or organic acid, and X and Y, respectively, stand for both oxygen and sulfur, and M stands for a monovalent metal or oxygen.

    STABILIZED RED PHOSPHORUS AND PROCESS FOR MAKING IT
    24.
    发明专利
    STABILIZED RED PHOSPHORUS AND PROCESS FOR MAKING IT 未知

    公开(公告)号：CA1074981A

    公开(公告)日：1980-04-08

    申请号：CA279641

    申请日：1977-06-01

    Applicant: HOECHST AG

    Inventor： STAENDEKE HORST ,  DANY FRANZ-JOSEF ,  KANDLER JOACHIM ,  AUEL THEODOR ,  KLOSE WERNER

    IPC: C01B25/023 ,  C01B25/00

    Abstract: STABILIZED RED PHOSPHORUS AND PROCESS FOR MAKING IT The invention provides stabilized pulverulent red phosphorus. It comprises a homogeneous blend of red phosphorus particles with a size of at most about 2 mm and a metal compound of the second or third group of the Periodic System as an oxidation stabilizer, wherein the metal compound is the aluminum, magnesium, calcium or zinc salt of an alkyl-, cycloalkyl-, aryl- or aralkylphosphonic acid having 1 to 20 carbon atoms, the metal compound being present in the homogeneous blend in a proportion of about 0.5 to 5 weight %.

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