With Hydrocarbon Patents (Class 51/306)
  • Abrasive agglomerates of abrasive subparticles and binder material
    Patent number: 3955942
    Abstract: Toothpaste formulations having dispersed therein an invisible abrasive material and visible abrasive agglomerates are disclosed. The abrasive agglomerates comprise subparticles of hard abrasive materials (Moh hardness of at least about 5) joined together by a binding agent material, and provide increased cleaning and polishing characteristics as well as an attractive speckled appearance to the toothpaste formulation.
    Type: Grant
    Filed: April 4, 1974
    Date of Patent: May 11, 1976
    Assignee: Colgate-Palmolive Company
    Inventors: Martin Cordon, Brian J. Pintenich