Patents Assigned to Wacker-Chemie
  • Patent number: 5336715
    Abstract: Organopolysiloxane compositions which comprise (A) a salt of a water-soluble organic or inorganic acid and an organopolysiloxane which has at least one SiC-bonded organic radical containing basic nitrogen, and (B) an alkoxylated alcohol and also, optionally, (C) a salt of a water-insoluble organic acid and an organopolysiloxane, which has at least one SiC-bonded organic radical containing basic nitrogen.
    Type: Grant
    Filed: February 8, 1993
    Date of Patent: August 9, 1994
    Assignee: Wacker-Chemie
    Inventors: Johann Sejpka, Dieter Gerhardinger, Franz Wimmer
  • Patent number: 4387046
    Abstract: An electrically conductive composition containing a cross-linked organopolysiloxane and an electrically conductive lamp black in which the electrically conductive lamp black comprises from 15 to 60 percent by weight based on the weight of the organopolysiloxane of furnace black having a surface area of from 40 to 100 m.sup.2 /g and from 5 to 25 percent by weight of acetylene black based on the weight of the organopolysiloxane.
    Type: Grant
    Filed: April 6, 1979
    Date of Patent: June 7, 1983
    Assignee: Wacker-Chemie
    Inventors: Wilhelm Marsch, Dietrich Wolfer