Patents by Inventor David V. Blarcom

David V. Blarcom 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: 4561994
    Abstract: This invention discloses a stable, surfactant-free, aqueous hypochlorite paste readily dispersible in hot or cold water, thickened with non-reactive inorganics without having alkali metal silicates, providing up to 10% available chlorine and with a viscosity ranging from about 25,000 to about 2,000,000 CPS.
    Type: Grant
    Filed: July 30, 1984
    Date of Patent: December 31, 1985
    Assignee: Lever Brothers Company
    Inventors: Fred K. Rubin, David V. Blarcom, Daniel J. Fox
  • Patent number: 4457322
    Abstract: An alkaline composition and method of cleaning aluminum surfaces is disclosed which avoids discoloring or tarnishing of the metal surface. The composition comprises a mixture of alkali metal metasilicate and a compound chosen from the group consisting of sodium carbonate, potassium carbonate, lithium carbonate, potassium orthophosphate and sodium orthophosphate and mixtures thereof, wherein the metasilicate salt is present in an effective amount up to about 3% by weight of the composition and wherein the pH ranges above about 12.0.
    Type: Grant
    Filed: February 11, 1983
    Date of Patent: July 3, 1984
    Assignee: Lever Brothers Company
    Inventors: Fred K. Rubin, David V. Blarcom, Daniel J. Fox
  • Patent number: 4396525
    Abstract: This invention discloses a liquid scouring composition comprising in percent by weight of the composition (a) about 0.5% to about 5% anionic surfactant; (b) about 0.5% to about 5% amphoteric surfactant; (c) about 5% to about 65% abrasive; (d) about 0.1% to about 8% electrolyte; (e) 0% to about 5% other ingredients; and (f) water to make 100%.
    Type: Grant
    Filed: September 14, 1981
    Date of Patent: August 2, 1983
    Assignee: Lever Brothers Company
    Inventors: Fred K. Rubin, David V. Blarcom, Daniel J. Fox