62.
    发明专利
    未知

    公开(公告)号:DK50478A

    公开(公告)日:1978-08-06

    申请号:DK50478

    申请日:1978-02-03

    Applicant: HOECHST AG

    Abstract: Intumescent flame-retardant coating composition consisting substantially of a film-forming agent, an ammonium polyphosphate, one or more substances which are carbonizable under the action of heat, a dispersant, and optionally a filler. The coating composition additionally contains an ammonium polyphosphate activator weighing 0.5 to 50% of the weight of ammonium polyphosphate. The activator is constituted by at least one salt which contains water of crystallization which is liberated upon the composition being heated to about 35 DEG C.

    63.
    发明专利
    未知

    公开(公告)号:SE7711728L

    公开(公告)日:1978-04-20

    申请号:SE7711728

    申请日:1977-10-18

    Applicant: HOECHST AG

    Abstract: STABILIZED RED PHOSPHORUS AND PROCESS FOR MAKING IT Production of stabilized pulverulent red phosphorus. The phosphorus so stabilized 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, calcium or zinc salt of a phosphinic acid of the general formula in which R1 and R2 each stand for an alkyl, cycloalkyl, aryl or aralkyl group 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 %.

    65.
    发明专利
    未知

    公开(公告)号:SE7708144L

    公开(公告)日:1978-01-15

    申请号:SE7708144

    申请日:1977-07-13

    Applicant: HOECHST AG

    Abstract: 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 neutral aluminum, magnesium, calcium or zinc salt of orthophosphoric acid, the metal compound being present in the homogeneous blend in a proportion of about 0.5 to 5 weight %.

    67.
    发明专利
    未知

    公开(公告)号:SE7705803L

    公开(公告)日:1977-11-20

    申请号:SE7705803

    申请日:1977-05-17

    Applicant: HOECHST AG

    Abstract: 1518665 Stabilized red phosphorus HOECHST AG 2 May 1977 [19 May 1976] 18259/77 Heading C1A [Also in Division C2] Stabilized phosphorus comprises a homogeneous blend of red phosphorus particles of size at most 2 mm with the Al, Mg, Ca or Zn salt of the orthophosphoric acid mono- or di-ester of lauryl alcohol tetraethyleneglycol ether, stearyl alcohol, or phenol hexaethyleneglycol ether or a mixture thereof, the salt being present in amount 0À25-5% by weight. The composition may be prepared by heating a suspension of the P and the ester(s) in water to 60‹-95‹ and adding an aqueous solution of a water-soluble salt of Al, Mg, Ca or Zn, filtering and drying.

Patent Agency Ranking