Patents by Inventor Frank M. Dalton

Frank M. Dalton 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).

  • Composition for dyeing material of synthetic aromatic polyamide fibers: cationic dye and n-alkyl phthalimide
    Patent number: 4780105
    Abstract: A composition for dyeing material of synthetic aromatic polyamide fibers, including a cationic dye and a dye assistant, which is a mixture of N-substituted phthalimide and an emulsifier. The N-substituted phthalimide is preferably a 2:1 mole ratio of N-butyl phthalimide and isopropyl phthalimide. The emulsifier is preferably propylene oxide and ethylene oxide block polymer, and an anionic surfactant blend and an anionic/cationic surfactant blend.
    Type: Grant
    Filed: April 15, 1987
    Date of Patent: October 25, 1988
    Assignee: Stockhausen, Inc.
    Inventors: W. Edward White, Michael W. Ensley, Frank M. Dalton