Patents by Inventor Raymond Vernon Burkes

Raymond Vernon Burkes 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: 6093691
    Abstract: The present invention relates to a fragrance delivery system for use in laundry detergent compositions which provides a long lasting "freshness" or "clean" scent to fabric. The compositions described herein deliver highly fabric substantive pro-accords to the fabric surface during laundering wherein the pro-accords release their fragrance raw materials over a period of up to two weeks. The present invention also relates a method for delivering a pleasurable scent to fabric which has a lasting freshness quality by contacting the fabric with a laundry detergent composition which comprises the fragrance-releasable pro-accords.
    Type: Grant
    Filed: February 19, 1999
    Date of Patent: July 25, 2000
    Assignee: The Procter & Gamble Company
    Inventors: Mark Robert Sivik, John Cort Severns, Frederick Anthony Hartman, Raymond Vernon Burkes, Jill Bonham Costa, John Michael Gardlik