Patents Assigned to Midwest Biochemical Corporation
  • Liquid cleaning composition containing stabilized enzymes
    Patent number: 4169817
    Abstract: A liquid cleaning composition containing stabilized enzymes. The composition is an aqueous solution containing from 10% to 50% by weight of solids and including detergent builders, surface active agents, an enzyme system derived from Bacillus subtilis and an enzyme stabilizing agent. The stabilizing agents comprise highly water soluble sodium or potassium salts and/or water soluble hydroxy alcohols and enable the solution to be stored for extended periods without deactivation of the enzymes.
    Type: Grant
    Filed: April 8, 1974
    Date of Patent: October 2, 1979
    Assignee: Midwest Biochemical Corporation
    Inventor: Meyer M. Weber
  • Controlled release composition containing stabilized urease
    Patent number: 4006056
    Abstract: This invention relates to a solid isotropic composition comprising a controlled release agent and stabilized urease. This composition is particularly suited for digestively reacting with various coatings on urinal discharge systems which coatings are subjected to a flow of water ranging from constant to intermittent.
    Type: Grant
    Filed: September 19, 1975
    Date of Patent: February 1, 1977
    Assignee: Midwest Biochemical Corporation
    Inventor: Meyer Michael Weber