Patents by Inventor Pearl M. Klein

Pearl M. Klein 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).

  • Flocculating reagent
    Patent number: 4455245
    Abstract: Cost effective and environmentally acceptable reagents and a method for flocculating fine particles from liquid suspensions are provided. A method for selectively flocculating fine particles from a slurry is also provided. The reagents comprise orange peel extract, corn husk extract and mixtures thereof. The method generally comprises the step of adding a reagent to a suspension of fine particles, mixing the combination of reagent and suspension and allowing the flocculated fine particles to settle out of suspension.
    Type: Grant
    Filed: July 22, 1983
    Date of Patent: June 19, 1984
    Inventor: Pearl M. Klein
  • Flocculating reagents
    Patent number: 4415458
    Abstract: Cost effective and environmentally acceptable reagents and a method for flocculating fine particles from liquid suspensions are provided. A method for selectively flocculating fine particles from a slurry is also provided. The reagents comprise orange peel extract, corn husk extract and mixtures thereof. The method generally comprises the step of adding a reagent to a suspension of fine particles, mixing the combination of reagent and suspension and allowing the flocculated fine particles to settle out of suspension.
    Type: Grant
    Filed: February 19, 1982
    Date of Patent: November 15, 1983
    Inventor: Pearl M. Klein