Patents by Inventor Clara J. del Valle

Clara J. del Valle 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).

  • Resin composition
    Patent number: 4267095
    Abstract: A resin composition is disclosed. The composition comprises an organic resin, a halogenated flame retardant incorporated within the organic resin, and a synergistic smoke suppressive filler of calcium carbonate and alumina trihydrate.
    Type: Grant
    Filed: October 26, 1978
    Date of Patent: May 12, 1981
    Assignee: The Dow Chemical Company
    Inventor: Clara J. del Valle
  • Method of producing calcium bromide
    Patent number: 4234556
    Abstract: An improved method for producing calcium bromide by reacting hydrogen bromide with calcium hydroxide in the presence of water and carbonate ions is disclosed. The improvement comprises maintaining a sufficient pH in the reaction mixture to convert at least a portion of the carbonate ions to a gaseous carbon-oxygen compound thereby removing the carbonate ions from the reaction mixture.
    Type: Grant
    Filed: October 5, 1979
    Date of Patent: November 18, 1980
    Assignee: The Dow Chemical Company
    Inventor: Clara J. del Valle