Patents by Inventor Margit Menyhart

Margit Menyhart 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).

  • Polysilicic acid/polyisocyanate basic materials, binding materials and foams and process for preparing same
    Patent number: 5622999
    Abstract: The invention relates to novel polysilicic acid/polyisocyanate basic materials, binding materials and foams with improved mechanical properties as well as a higher resistance against heat and chemicals. It is characteristic of the new base materials that they are built up (composed) of______________________________________ 100 parts by mass of a polyisocyanate, 50-400 parts by mass of a polysilicic acid component, 0.5-70 parts by mass of phosphoric acid triesters and/or salts of phosphoric acid mono- and/or diesters formed with amines and/or alkaline metals, and optionally 0-5 parts by mass of a catalysts containing a tertiary amino group, 0-50 parts by mass of a reactive diluent, 0-10 parts by mass of tenside(s) ______________________________________as well as 0-400% by mass of fillers and optionally other auxiliaries, calculated for the total mass (=100%) of the components listed above.
    Type: Grant
    Filed: January 19, 1994
    Date of Patent: April 22, 1997
    Assignee: Polinvent Fejleszto, Kivitelezo es Ertekesito KFT
    Inventors: Gabor Nagy, Miklos Barothy, Margit Menyhart