Patents by Inventor Harry R. Chamberlain

Harry R. Chamberlain 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).

  • Process for spray-drying detergent compositions
    Patent number: 4963226
    Abstract: A method is provided for spray-drying, large volumes of a detergent slurry in a spray-drying tower which includes spraying at least a portion of the slurry, cocurrently with air having a specified temperature and velocity range, through uniformly spaced atomizing nozzles into a cylindrically shaped drying zone. Any remaining balance of the slurry is sprayed countercurrently into the drying zone at higher levels in the spray tower.
    Type: Grant
    Filed: January 23, 1989
    Date of Patent: October 16, 1990
    Assignee: The Procter & Gamble Company
    Inventor: Harry R. Chamberlain