Patents by Inventor Rosanna McMichael

Rosanna McMichael 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).

  • LAUNDRY DETERGENT COMPOSITION CONTAINING A VIOLET COLORANT
    Publication number: 20050148486
    Abstract: A laundry detergent composition and method of providing whitening benefits is described for providing enhanced whitening benefits to washed laundry comprising: (a) a surfactant or surfactant mixture selected from the group consisting of anionic and nonionic surfactants; and (b) a violet polymeric colorant having an absorption wavelength of from 540 to 560 nm; a solubility in water of from about 1 gram per Liter to 20.5 grams per Liter; and wherein the dosage of said violet colorant in the laundry detergent composition is from about 0.006% to about 1.75%.
    Type: Application
    Filed: January 6, 2004
    Publication date: July 7, 2005
    Inventors: Charles Schramm, Rosanna McMichael, Cheryl Babo