Patents Represented by Law Firm Leydig, Voit, Osann, Mayer & Hoit, Ltd.
  • Compounds having a physiological cooling effect, and compositions containing them
    Patent number: 4044120
    Abstract: Cyclic and acyclic amides, substituted ureas and sulphonamides are disclosed having the property of stimulating the cold receptors of the nervous system of the human body to produce a cold sensation and are used for this purpose in a variety of edible and topical preparations and in tobacco.
    Type: Grant
    Filed: April 16, 1975
    Date of Patent: August 23, 1977
    Assignee: Wilkinson Sword Limited
    Inventors: David G. Rowsell, Roger Hems