Patents by Inventor Robert John Aitken

Robert John Aitken 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).

  • Spermicide
    Patent number: 6433022
    Abstract: There is provided a method of contraception, comprising exposing a spermicidally sufficient quantity of an agent to spermatozoa. The agent is a quinone represented by the following formula: Each group A is H or an electron releasing moiety. The agent is capable of generating reactive oxygen species including free radicals, superoxide and hydrogen peroxide in the presence of spermatozoa.
    Type: Grant
    Filed: September 13, 1999
    Date of Patent: August 13, 2002
    Assignee: Medical Research Council
    Inventor: Robert John Aitken
  • Use of CYB medium for the transportation and storage of sperm
    Patent number: 6130034
    Abstract: The use of CYB medium for the storage and/or transportation of semen at ambient temperature.
    Type: Grant
    Filed: May 8, 1998
    Date of Patent: October 10, 2000
    Assignees: Medical Research Council, Applied Research Systems ARS Holding N.V.
    Inventor: Robert John Aitken