Patents by Inventor Rosolde Hill

Rosolde Hill 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).

  • Patent number: 3976474
    Abstract: A covering layer for metallic baths, i.e. baths of molten metal or metal alloys, especially brass or brass-forming compositions consisting of premelted homogeneous finely divided alkali borosilicate glass in a particle size of less than 60 microns and a composition of substantially 10 to 70% by weight B.sub.2 O.sub.3, 5 to 65% by weight SiO.sub.2 and 5 to 40% by weight of one or more of the alkali-metal oxides Na.sub.2 O, K.sub.2 O and Li.sub.2 O.
    Type: Grant
    Filed: May 19, 1975
    Date of Patent: August 24, 1976
    Assignee: Vereinigte Deutsche Metallwerke AG
    Inventors: Wolf Wunder, Volker Kohne, Rosolde Hill, Antonio Leogrande