Patents by Inventor Cesare Ronzani

Cesare Ronzani 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).

  • Poromeric synthetic leathers
    Patent number: 6231926
    Abstract: A process for producing poromeric synthetic leather comprises I. producing an essentially nonporous impregnate by impregnating a textile sheet material with an aqueous polyurethane dispersion and drying, and II. producing a poromeric synthetic leather from the impregnate by subjecting the impregnate to the action of an aqueous solution of a Brønsted base.
    Type: Grant
    Filed: June 4, 1999
    Date of Patent: May 15, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Cesare Ronzani, Ralf Mossbach, Karl Häberle