Patents by Inventor Marc Ballman

Marc Ballman 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).

  • Reactive dyebath additive:potassium silicate and potassium hydroxide
    Patent number: 5242466
    Abstract: A fabric is dyed with a reactive dye in the presence of an alkali donor, added to the dyebath. The alkali donor is a liquid composition comprising potassium silicate and potassium hydroxide. A composition suitable for use as such an alkali donor comprises, by weight of the total weight of the composition, 20-75% potassium silicate, 10-35% of solid potassium hydroxide, and up to 20% sequestrant, the balance comprising water.
    Type: Grant
    Filed: March 12, 1992
    Date of Patent: September 7, 1993
    Assignee: Unilever Patent Holdings B.V.
    Inventors: Theodore D. Aseervatham, Marc Ballman, James Hayes