Patents by Inventor Maria J. F. Smeets-Mertens

Maria J. F. Smeets-Mertens 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).

  • Process for the preparation of a hydroxylamine salt
    Patent number: 4158047
    Abstract: A process for pre-treating platinum/palladium catalysts, used in the preparation of hydroxylamine, comprising contacting the same with an aqueous salt solution, inhibits (a) the decomposition of hydroxylamine and (b) the consequent formation of explosive mixtures of N.sub.2 O with hydrogen or hydrocarbons.
    Type: Grant
    Filed: August 30, 1977
    Date of Patent: June 12, 1979
    Assignee: Stamicarbon, B.V.
    Inventors: Cornelis G. M. van de Moesdijk, Maria J. F. Smeets-Mertens