Patents by Inventor Patrick J. Ruane

Patrick J. Ruane 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).

  • Use of a secondary amine as a corrosion inhibiting and antimicrobial agent and an aqueous alkaline industrial fluid containing said amine
    Patent number: 5633222
    Abstract: Secondary amines having the formula (I): R(Y).sub.s NHX, in which R is a hydrocarbon group having 2-12 carbon atoms, Y is the group --CH(OH)CH.sub.2 --, --OCH.sub.2 CH(OH)CH.sub.2 -- or --O(CH.sub.2).sub.3, X is an alkyl group having 2-3 carbon atoms and substituted with hydroxyl groups in the 2-position or in the 2 - and 3-positions, and s is 0 or 1 with the condition that when s is 0, then X is an alkyl group substituted in the 2- and 3-positions, or a salt thereof, are used as anticorrosion and antimicrobial agents. They are suitable to be incorporated in aqueous, alkaline, industrial fluids. An aqueous, alkaline metal working fluid is also disclosed.
    Type: Grant
    Filed: July 25, 1995
    Date of Patent: May 27, 1997
    Assignees: Berol Nobel AB, Castrol Limited
    Inventors: Rolf Skold, Patrick J. Ruane
  • Lubricant
    Patent number: 5580845
    Abstract: A lubricant suitable for use in an industrial forming process, especially cold pilgering, comprises a polyglycol as base fluid, a water-soluble inorganic filler and an organic filler.
    Type: Grant
    Filed: May 11, 1995
    Date of Patent: December 3, 1996
    Assignee: Castrol Limited
    Inventor: Patrick J. Ruane