Patents by Inventor Laurence Parslow

Laurence Parslow 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).

  • Publication number: 20100081836
    Abstract: A process for selectively extracting a target compound from a raw material using 2,3,3,3-tetrafluoropropene (HFO1234yf) as the extraction solvent, and optionally at least one co-solvent, comprising contacting the raw material with the HFO1234yf at a first temperature forming a HFO1234yf solution, and subsequently cooling the HFO1234yf solution. In particular, the application relates to a process for extracting fragrance oils, flavor oils, pharmaceutical agents, fixed oils and/or mineral oils.
    Type: Application
    Filed: September 25, 2009
    Publication date: April 1, 2010
    Inventors: Laurence Parslow, Peter Frederick Wilde