Patents by Inventor Egon Uhlig

Egon Uhlig has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Polymerizable epoxide mixtures and process
    Patent number: 5525698
    Abstract: A polymerizable mixture comprising 100 parts by weight of at least one epoxy compound and 0.01 to 50 parts by weight of a metal complex compound of the formulaML.sub.x B.sub.y or M[SR].sub.x B.sub.z,wherein M is a metal ion of a metal of main groups II and III and sub-groups thereof of the Periodic Table, L is a chelate forming ligand selected from the group consisting of dioximes, .alpha.- and .beta.-hydroxycarbonyl compounds or enolizable 1,3-diketones, SR is an acid ion of an inorganic acid, B is a Lewis base, x is an integer from 1 to 8, y is an integer from 1 to 5 and z is an integer from 7 or 8 with the proviso that B is not a polyvalent phenolic compound and a process for the polymerization thereof.
    Type: Grant
    Filed: September 27, 1994
    Date of Patent: June 11, 1996
    Assignee: Rutgerswerke AG
    Inventors: Axel Bottcher, Egon Uhlig, Manfred Fedtke, Manfred Doring, Klaus Dathe, Bernd Nestler
  • Polymerizable epoxide mixtures and process using Lewis base complexes
    Patent number: 5395913
    Abstract: A polymerizable mixture comprising 100 parts by weight of at least one epoxy compound and 0.01 to 50 parts by weight of a metal complex compound of the formulaML.sub.x B.sub.y or M[SR].sub.x B.sub.z,wherein M is a metal ion of a metal of main groups II and III and sub-groups thereof of the Periodic Table, L is a chelate forming ligand selected from the group consisting of dioximes, .alpha.- and .beta.-hydroxycarbonyl compounds or enolizable 1,3-diketones, SR is an acid ion of an inorganic acid, B is a Lewis base, x is an integer from 1 to 8, y is an integer from 1 to 5 and z is an integer from 7 or 8 with the proviso that B is not a polyvalent phenolic compound and a process for the polymerization thereof.
    Type: Grant
    Filed: March 2, 1994
    Date of Patent: March 7, 1995
    Assignee: Rutgerswerke AG
    Inventors: Axel Bottcher, Egon Uhlig, Manfred Fedtke, Manfred Doring, Klaus Dathe, Bernd Nestler