Patents by Inventor Nobel Ida

Nobel Ida 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).

  • Strengthening of glass
    Patent number: 4130407
    Abstract: Glass is strengthened against failure under tension by treating the glass with a combination of straight chain, saturated, terminal monocarboxyl fatty acid plus the salt of an alkali metal or an alkaline-earth metal, both dissolved in an inert carrier and applied to the glass at a temperature in a preferred range between 100.degree. and 300.degree. C., after which the glass is slowly cooled to avoid thermal stress.
    Type: Grant
    Filed: June 16, 1977
    Date of Patent: December 19, 1978
    Assignee: Duraglass Research & Development Corp.
    Inventor: Nobel Ida