Patents by Inventor Dieter Zacharowski

Dieter Zacharowski 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).

  • Fire-retardant coating composition comprising etherified and non-etherified amino-formaldehyde resin
    Patent number: 4013599
    Abstract: An aqueous fire-retardant composition capable of forming a foam layer and consisting ofI. an aqueous preparation comprisingA. a non-etherified amino-formaldehyde resin or its components or a mixture thereofB. at least one ammonium phosphate,C. a skeleton forming component andIi. a solution of at least one further amino-formaldehyde resin being at least partially etherified with at least one alcohol having 1 to 12 C-atoms and dissolved in an organic solvent,a construction supporting unit and an electrical cable unit with a coating of said composition.
    Type: Grant
    Filed: July 5, 1974
    Date of Patent: March 22, 1977
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Richard Strauss, Arnold Giller, Dieter Zacharowski, Hans Wiener