Patents by Inventor Gerald E. Butler

Gerald E. Butler 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).

  • Process for the purification of hydroxypivalyl hydroxypivalate
    Patent number: 5209827
    Abstract: Disclosed is a process for the recovery of purified hydroxypivalyl hydroxypivalate (HPHP) from a crude, HPHP containing material containing inorganic catalyst residues and low-boiling and high-boiling (with respect to the boiling point of HPHP) impurities. The purification process employs two distillation zones, a first distillation zone wherein inorganic and high-boiling impurities are removed and a second distillation zone wherein low- and high-boiling impurities are removed.
    Type: Grant
    Filed: August 12, 1991
    Date of Patent: May 11, 1993
    Assignee: Eastman Kodak Company
    Inventors: Gerald E. Butler, Garrett C. Luce, Don L. Morris
  • Impurity removal from carbon monoxide and/or hydrogen-containing streams
    Patent number: 4827043
    Abstract: Disclosed is a process for the purification of carbon monoxide and/or hydrogen-containing gas streams employed for chemical conversion reactions by contacting such gas feed streams with the oxygenated organic reaction products obtained in the subject chemical conversion reaction.
    Type: Grant
    Filed: January 22, 1988
    Date of Patent: May 2, 1989
    Assignee: Eastman Kodak Company
    Inventor: Gerald E. Butler