Patents by Inventor Dirk A. Borger

Dirk A. Borger 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).

  • Polyketone copolymer composition comprising amide or aluminum compound
    Patent number: 4994513
    Abstract: Polyketone polymer composition comprising a major amount of an alternating copolymer of carbon monoxide and an olefinically unsaturated compound and a minor amount of at least one additive, selected from: (a) the acid amides of monocarboxylic or polycarboxylic acids having from 5 to 30 carbon atoms and being optionally N-monosubstituted or N,N-disubstituted with C.sub.1 to C.sub.4 alkyl groups, and (b) aluminum compounds of formula Al(OX).sub.3, in which X stands for a hydrogen atom or a C.sub.1 to C.sub.4 alkyl group.
    Type: Grant
    Filed: December 19, 1989
    Date of Patent: February 19, 1991
    Assignee: Shell Oil Company
    Inventors: Johannes L. M. Syrier, Dirk A. Borger, Johan M. Beyen, Antonius A. Broekhuis, Franciscus C. Groenland