Patents by Inventor Patsy E. Fox

Patsy E. Fox 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: 4959105
    Abstract: A composition and process for cleaning an aluminum-containing article is disclosed. The process comprises contacting a debris-laden aluminum-containing article with a composition at conditions effective to do at least one of the following: (1) remove at least a portion of the debris from the aluminum-containing article and (2) condition at least a portion of the debris for removal from the aluminum-containing article. The composition comprises water; at least one polycarboxylic acid component selected from the group consisting of polycarboxylic acids, salts of polycarboxylic acids and mixtures thereof; at least one acidic component in an amount effective to increase the solubility of the polycarboxylic acid component in the composition; and at least one acid acting enzyme in an amount effective to at least facilitate the removal of debris from an aluminum-containing article contacted with the composition.
    Type: Grant
    Filed: March 14, 1990
    Date of Patent: September 25, 1990
    Inventors: Fred Neidiffer, Charles E. Fox, Patsy E. Fox
  • Patent number: 4940493
    Abstract: A composition and process for cleaning an aluminum-containing article is disclosed. The process comprises: contacting a debris-laden aluminum containing article with a composition at conditions effective to do at least one of the following: (1) remove at least a portion of the debris from the aluminum-containing article and (2) condition at least a portion of the debris for removal from the aluminum-containing article, the composition comprising water, at least one tartaric component selected from the group consisting of racemic tartaric acid, salts of racemic tartaric acid and mixtures thereof, at least one acidic component in an amount effective to increase the solubility of the tartaric component in the composition, and at least on surface active component; andrecovering the aluminum-containing article having at least a portion of the debris removed therefrom.
    Type: Grant
    Filed: September 30, 1988
    Date of Patent: July 10, 1990
    Inventors: Fred Neidiffer, Charles E. Fox, Patsy E. Fox