Patents by Inventor Marcus A. Northup, Jr.

Marcus A. Northup, Jr. 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).

  • Method for removing organic acid soil from surfaces
    Patent number: 4236935
    Abstract: Soils containing free or combined organic acids are removed from surfaces, such as oven surfaces, by contacting the soil at a temperature of 250.degree.-550.degree. F. with a weakly alkaline composition comprising (A) at least one polyhydric alchol or a lower aliphatic ether or ester thereof having at least 2 free hydroxy groups, (B) 1.0 to 500% by weight of at least one alkali metal bicarbonate based on the weight of the polyhydric alcohol and (C) 5.0 to 1000% by weight of at least one alkali metal salt of a weak organic acid based on the weight of the polyhydric alcohol, and then removing soil residue.
    Type: Grant
    Filed: September 28, 1979
    Date of Patent: December 2, 1980
    Assignee: Church & Dwight Co., Inc.
    Inventors: Daniel Schoenholz, Arthur W. Petersen, Marcus A. Northup, Jr.
  • Novel low temperature cleaner
    Patent number: 4193886
    Abstract: A weakly alkaline cleaning composition for the removal of soils containing free or combined organic acids comprising (A) at least one polyhydric alcohol or a lower aliphatic ether or ester thereof having at least 2 free hydroxy groups, (B) 1.0 to 500% by weight of at least one alkali metal bicarbonate based on the weight of the polyhydric alcohol and (C) 5.0 to 1000% by weight of at least one alkali metal salt of a weak organic acid based on the weight of the polyhydric alcohol and a method of removing soils containing free or combined organic acids from a surface.
    Type: Grant
    Filed: April 22, 1976
    Date of Patent: March 18, 1980
    Assignee: Church & Dwight Co., Inc.
    Inventors: Daniel Schoenholz, Arthur W. Petersen, Marcus A. Northup, Jr.