Patents by Inventor Heinz-Günter Reichwein

Heinz-Günter Reichwein 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).

  • Cyanate resin, polyepoxide and metal complex curing agent
    Patent number: 6372861
    Abstract: A curable mixture comprising at least one cyanate resin, at least one epoxide compound with more than one epoxy group per molecule, and a metal formula selected from the group consisting of MLxBy, M[SR]xBy, M[SR]x(N)y, M(PHal)m and M(PHal)m(N)n wherein M is a cation of a complexing metal, SR is an organic or inorganic acid residue, L is a chelating ligand, B is a Lewis base, PHal is an ion of a pseudohalide, N is a nitrogen base, x is an integer from 1 to 8, y is an integer from 1 to 5, z is an integer from 7 to 8, m is an integer from 2 to 3 and n is an integer from 1 to 2.
    Type: Grant
    Filed: January 19, 2000
    Date of Patent: April 16, 2002
    Assignee: Bakelite A.G.
    Inventors: Jürgen Schillgalies, Heinz-Günter Reichwein, Andreas Palinsky, Achim Kaffee