Patents Assigned to Nottingham Company
  • Defoamer compositions and process for defoaming aqueous systems
    Patent number: 5601752
    Abstract: A defoaming composition of the following formula: ##STR1## wherein R is a hydrocarbon radical of from 10-20 carbon atoms and made be either saturated, unsaturated and either linear or branched in structure; R.sup.1 is a reactive alkoxy radical of from 2 to 4 carbon atoms; y is an interger of at least 1; A is an ethylene. propylene, or butylene group; and x is an integer of at least 1. The above composition can be used with oil-based defoaming aqueous system. The defoaming composition and process for defoaming are included.
    Type: Grant
    Filed: March 10, 1995
    Date of Patent: February 11, 1997
    Assignee: Nottingham Company
    Inventor: Donald G. Jenkins