Patents by Inventor Alexander George Lowe

Alexander George Lowe 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 of making an oil solution of zinc dihydrocarbyldithiophosphates
    Patent number: 4092341
    Abstract: Zinc dihydrocarbyldithiophosphates are made by the reaction of zinc oxide with dihydrocarbyldithiophosphoric acid in the presence of mineral oil which has been reacted with nitrogen dioxide. The nitrogen dioxide treatment alters the oil such that it promotes the zinc oxide reaction. The process is especially adapted for making zinc dialkaryldithiophosphates useful as lubricating oil additives.
    Type: Grant
    Filed: February 14, 1977
    Date of Patent: May 30, 1978
    Assignee: Edwin Cooper and Company Limited
    Inventors: Alexander George Lowe, Philip Edward Derbyshire, Andrew George Papay