Patents Assigned to Pet Care Systems
  • Ground grain animal litter
    Patent number: 6014947
    Abstract: The present invention provides an improved method for sorbing aqueous fluids through the use of a biodegradable, clumping, low odor, low attrition, low swelling ground grain litter. The ground grain litter is composed of a ground grain selected such that when the ground grain is wetted it tends to swell in volume less than 100%. In preferred embodiment, the ground grain litter comprises ground hard red spring wheat used to sorb pet urine and fecal liquids voided by a pet into the litter.
    Type: Grant
    Filed: November 24, 1997
    Date of Patent: January 18, 2000
    Assignee: Pet Care Systems
    Inventors: James H. Sladek, S. Michael Hughes, Roy F. House