Patents by Inventor by Helen G. Wiese, executrix

by Helen G. Wiese, executrix 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).

  • Sulfur and nitrogen-containing organic compositions processes for making them and fuels and additives containing them
    Patent number: 4016150
    Abstract: Organic compositions made by reacting an amino compound, carbon disulfide, and a halogenated substantially aliphatic hydrocarbon having at least 25 carbon atoms are useful as additives for lubricants and liquid fuels. Particularly useful are compositions wherein the amino compound is alkylene polyamine and the hydrocarbon is a halogenated polymer or interpolymer of a C.sub.2 to C.sub.6 l-olefin.
    Type: Grant
    Filed: May 1, 1975
    Date of Patent: April 5, 1977
    Assignee: The Lubrizol Corporation
    Inventors: Herbert Frederick Wiese, deceased, by Helen G. Wiese, executrix, Emil Thomas Wierber