Patents by Inventor Louis E. Ott

Louis E. Ott 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).

  • Nitrogen fertilizers
    Patent number: 4352688
    Abstract: Low molecular weight alkanoic acids and alkanoate anions thereof, particularly acetic acid and acetate ion, are effective in enhancing the ability of nitrogen fertilizers to promote plant growth and productivity.
    Type: Grant
    Filed: November 2, 1978
    Date of Patent: October 5, 1982
    Assignee: Standard Oil Company (Indiana)
    Inventor: Louis E. Ott
  • Fertilizing plants with polyborates
    Patent number: 4332609
    Abstract: A liquid fertilizer comprises a polyborate compound. The polyborate compound is formed by reacting a boric acid compound with an alkanolamine or an aliphatic polyamine.
    Type: Grant
    Filed: March 5, 1981
    Date of Patent: June 1, 1982
    Assignee: Standard Oil Company (Indiana)
    Inventor: Louis E. Ott
  • Aqueous sulfur dispersion having reduced corrosive activity toward ferrous metal
    Patent number: 4321079
    Abstract: A dispersion of up to about 70 weight percent elemental sulfur in an aqueous ammonia solution of at least one metal compound selected from the group consisting of soluble zinc and magnesium compounds has reduced corrosive activity toward ferrous metal. The atomic ratio of zinc and/or magnesium to sulfur is from about 0.0002 to about 0.1 and the mole ratio of ammonia to metal compound is from about 0.1 to about 200.
    Type: Grant
    Filed: May 21, 1980
    Date of Patent: March 23, 1982
    Assignee: Standard Oil Company (Indiana)
    Inventor: Louis E. Ott
  • Aqueous sulfur dispersion having reduced corrosive activity toward ferrous metal
    Patent number: 4256691
    Abstract: A dispersion of up to about 70 weight percent elemental sulfur in an aqueous ammonia solution of at least one metal compound selected from the group consisting of soluble zinc and magnesium compounds has reduced corrosive activity toward ferrous metal. The atomic ratio of zinc and/or magnesium to sulfur is from about 0.0002 to about 0.1 and the mole ratio of ammonia to metal compound is from about 0.1 to about 200.
    Type: Grant
    Filed: December 14, 1978
    Date of Patent: March 17, 1981
    Assignee: Standard Oil Company (Indiana)
    Inventor: Louis E. Ott
  • Liquid fertilizer for supply of sulfur, nitrogen and micronutrient metals
    Patent number: 4210437
    Abstract: An aqueous solution of ammonium thiosulfate, ammonia and at least one metal compound selected from the group consisting of the oxides and salts of copper, zinc and manganese provides a source of sulfur, nitrogen and micronutrient metals for fertilizer use.
    Type: Grant
    Filed: December 14, 1978
    Date of Patent: July 1, 1980
    Assignee: Standard Oil Company (Indiana)
    Inventors: Richard J. Windgassen, Louis E. Ott
  • Fertilizing method
    Patent number: 3997319
    Abstract: Supply of zinc and nitrogen plant nutrients to plants growing in soil is effected by applying to the soil substantially anhydrous liquid ammonia containing an ionic solution of a zinc carboxylate.
    Type: Grant
    Filed: September 30, 1974
    Date of Patent: December 14, 1976
    Assignee: Standard Oil Company (Indiana)
    Inventor: Louis E. Ott