Patents by Inventor Sam Ferguson

Sam Ferguson 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).

  • Volatile amines for treating refinery overhead systems
    Patent number: 4806229
    Abstract: A process for substantially neutralizing the volatile acid gases and water present in the condensate of a distilling pertroleum product which comprises treating the distilling product prior to the condensation thereof with at least one amine having a boiling point below 95.degree. C.
    Type: Grant
    Filed: October 3, 1986
    Date of Patent: February 21, 1989
    Assignee: Nalco Chemical Company
    Inventors: Sam Ferguson, Kathryn G. Burns, Russell C. Strong
  • Process for preparing naphthenic acid 1,2-imidazolines
    Patent number: 4758672
    Abstract: 1,2-imidazolines are prepared by reacting gas oils containing naphthenic acid with polyamines. This reaction, in addition to forming imidazolines, reduces the acidity of the starting gas oils.
    Type: Grant
    Filed: May 18, 1987
    Date of Patent: July 19, 1988
    Assignee: Nalco Chemical Company
    Inventors: Sam Ferguson, Darrel D. Reese
  • Upgrading petroleum and petroleum fractions
    Patent number: 4752381
    Abstract: A method of neutralizing the organic acidity in petroleum and petroleum fractions to produce a neutralization number less than 1.0 whereby they are rendered suitable as lube oil feed stocks which comprises treating said heavy gas oils with a neutralizing amount of monoethanolamine to form an amine salt with the organic acids and then heating the thus-neutralized petroleum or petroleum fraction at a temperature and for a time sufficient to convert the amine salts to amides.
    Type: Grant
    Filed: May 18, 1987
    Date of Patent: June 21, 1988
    Assignee: Nalco Chemical Company
    Inventors: Sam Ferguson, Darrell D. Reese
  • Upgrading heavy gas oils
    Patent number: 4589979
    Abstract: A method of neutralizing the organic acidity in heavy gas oils to produce a neutralization number less than 1.0 whereby they are rendered suitable as lube oil feed stocks which comprises treating said heavy gas oils with a neutralizing amount of monoethanolamine to form an amine salt with the organic acids and then heating the thus-neutralized heavy gas oil at a temperature and for a time sufficient to convert the amine salts to amides.
    Type: Grant
    Filed: August 22, 1985
    Date of Patent: May 20, 1986
    Assignee: Nalco Chemical Company
    Inventors: Sam Ferguson, Darrell D. Reese