Patents by Inventor Amelia L. Dacruz

Amelia L. Dacruz 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).

  • Headspace analysis
    Patent number: 5266496
    Abstract: A process for extracting and analyzing virtually any sample which may be contaminated with pollutants, toxics or other impurities. The process can be used to extract and analyze one contaminant, such as a volatile compound (gasoline), or the process can be used to extract and analyze several contaminants, including both volatiles and semi-volatiles. The process comprises a vacuum extraction technique followed by a heating/cooling cycle comprising a series of heating and cooling stages.
    Type: Grant
    Filed: April 10, 1992
    Date of Patent: November 30, 1993
    Inventor: Amelia L. Dacruz