Patents by Inventor Anton Mentha

Anton Mentha 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).

  • Photosensitive coating composition and the use thereof for protective purposes
    Patent number: 4544623
    Abstract: Uniform protective coatings, particularly solder resist masks, on printed circuit boards can be produced with coating compositions having a viscosity of 200 to 700 m Pas at 25.degree. C. and comprising a solution of a photosensitive, thermally curable, lacquer-forming substance, wherein there is additionally uniformly dispersed 5 to 50% by weight of a finely divided filler.
    Type: Grant
    Filed: January 23, 1984
    Date of Patent: October 1, 1985
    Assignee: Ciba-Geigy Corporation
    Inventors: Thaddeus Audykowski, Anton Mentha, Ewald Losert