Patents by Inventor Daniel Tygat

Daniel Tygat 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: 4765958
    Abstract: Process for inhibiting the corrosion of a mass of metal (2) in contact with an acid bath (3) containing ferric ions, according to which at least a part of the bath (3) is circulated through a stack of felts (10) made of carbon or graphite, alternating with perforated plates made of iron or an iron alloy (9). The process applies to the pickling of metallurgical products made of steel in hydrochloric acid baths.
    Type: Grant
    Filed: April 9, 1985
    Date of Patent: August 23, 1988
    Assignee: Solvay & Cie, S.A.
    Inventors: Daniel Tygat, Pierre Lefevre, Dominique Balthasart