Patents by Inventor Francis E. Chapman

Francis E. Chapman 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).

  • Patent number: 4493781
    Abstract: A carpet cleaning composition adapted to be sprinkled on and vacuumed off a soiled carpet includes an aqueous volatile solvent, an inert highly-absorbent carrier and a natural or synthetic aluminosilicate zeolite.
    Type: Grant
    Filed: April 6, 1981
    Date of Patent: January 15, 1985
    Assignee: S. C. Johnson & Son, Inc.
    Inventors: Francis E. Chapman, Robert B. Harris
  • Patent number: 4240919
    Abstract: An improved liquid abrasive scouring composition which has substantially no syneresis is prepared by mixing water, an abrasive and a multivalent stearate in specified ratios. The composition may include a number of optional ingredients to further enhance the cleaning ability of the liquid abrasive scouring composition, such as non-multivalent stearate surfactant, bleach, bodying agent, electrolyte and absorptive agent.
    Type: Grant
    Filed: November 29, 1978
    Date of Patent: December 23, 1980
    Assignee: S. C. Johnson & Son, Inc.
    Inventor: Francis E. Chapman
  • Patent number: 4158553
    Abstract: A liquid scouring cleanser composition which does not scratch soft metals, yet has sufficient abrasive action to clean effectively using abrasives having a Mohs hardness of greater than 3, comprises from 2-15% by weight of a soap dispersion formed from the sodium, potassium, aluminum, zinc, calcium, magnesium, ammonium, mono lower alkyl amine, di lower alkyl amine, and tri lower alkyl amine fatty acid soaps, from 20-45% by weight of an abrasive having a Mohs hardness of greater than 3, from 1-7% by weight of an anionic and/or nonionic surfactant, from 0.2-10% by weight of a thickener, and water. The pH of the composition is from 7.0-9.5 and the ratio of abrasive to soap is within the range of from 10:1 to 3:1.
    Type: Grant
    Filed: January 16, 1978
    Date of Patent: June 19, 1979
    Assignee: S. C. Johnson & Son, Inc.
    Inventor: Francis E. Chapman