Patents by Inventor Timothy C. Arnold

Timothy C. Arnold 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).

  • Quaternary compound of a tertiary amine and methyl chloride
    Patent number: 5491240
    Abstract: Disclosed is a process for producing quaternary ammonium compounds wherein a reaction mixtures containing only the corresponding unquaternized amine compound and the quaternizing agent are reacted together under conditions such that no unreacted quaternizing agent remains in the fully quaternized product. The reaction is carried out initially free of solvents. Minimal amounts of solvent that may be introduced near the end of the quaternization to maintain adequate fluidity of the reaction mixture.
    Type: Grant
    Filed: September 29, 1994
    Date of Patent: February 13, 1996
    Assignee: Witco Corporation
    Inventors: Timothy C. Arnold, Robert E. Mehaffey, Jr.