Patents by Inventor M. H. A Nawaz

M. H. A Nawaz 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).

  • Noble metal alloys for dental uses
    Patent number: 4591483
    Abstract: There are described noble metal alloys for dental purposes, especially for firing on dental porcelain which are low melting, do not discolor the porcelain, are repeatedly castable, and making possible brazing joints. These alloys containing 20 to 65% gold, 25 to 65% palladium, 0 to 7% gallium, 0.2 to 11% indium and/or tin, 0 to 2% copper, 0.05 to 1% ruthenium, iridium and/or rhenium, 0 to 1% vanadium, 0 to 1% iron and additionally 0.5 to 15% cobalt, with the proviso that the content of base metals must exceed 5%.
    Type: Grant
    Filed: February 22, 1985
    Date of Patent: May 27, 1986
    Assignee: Degussa Aktiengesellschaft
    Inventor: M. H. A Nawaz