Patents by Inventor Frank Michelotti

Frank Michelotti 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).

  • Stabilization of hydroxylamine solutions
    Patent number: 5808150
    Abstract: The invention provides a stabilized aqueous, semi-aqueous, or non-aqueous solution of hydroxylamine or a partially neutralized hydroxylamine salt and a process therefore. The invention utilizes as a stabilizing agent a specific acetic acid compound.
    Type: Grant
    Filed: August 14, 1997
    Date of Patent: September 15, 1998
    Assignee: Concept Sciences, Inc.
    Inventor: Frank Michelotti
  • Purification of hydroxylamine
    Patent number: 5788946
    Abstract: The invention provides a method for purification of hydroxylamine so as to have a substantial reduction of cations and anions. The method involves passing a solution of hydroxylamine through at least one strong acid ion exchange bed which has been pretreated with dilute hydrochloric acid and then through at least one strong base anion exchange resin bed.
    Type: Grant
    Filed: July 16, 1997
    Date of Patent: August 4, 1998
    Assignee: Ashland Inc.
    Inventors: Floyd Riddle, Frank Michelotti