Patents by Inventor David Charles Hooper

David Charles Hooper 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: 7781392
    Abstract: A malodor reducing perfume composition comprising materials a having fruity note and a two groups of an amber note material where the amount of amber and fruity materials together is at least 3% by weight where the total weight percentage of group A amber materials and group B amber materials, WA, is equal to or greater than 0.5% or the total amount of amber and fruity materials together is at least 3+22*(0.5?WA) % by weight where WA is less than 0.5%; wherein amber note materials have an odour threshold lower than that of 1-(2,3,8,8-tetramethyl-1,2,3,4,5,6,7,8octahydronaphthalen-2-yl)ethanone and group B comprises materials with an amber note having an odour threshold equal to or higher than that of 1-(2,3,8,8-tetramethyl1,2,3,4,5,6,7,8-octahydronaphthalen-2-yl)ethanone; the weight ratio of amber note material having to fruity note material in the composition is in the range about 1:30 to 30:1.
    Type: Grant
    Filed: April 22, 2005
    Date of Patent: August 24, 2010
    Assignee: Quest International Services B.V.
    Inventors: Keith Douglas Perring, John Martin Behan, Jeremy Nicholas Ness, Roger John Henry Duprey, David Charles Hooper, David Anthony McNulty
  • Patent number: 6241979
    Abstract: A perfumed product containing an antibacterial agent and a perfume material is prepared. The perfumed product can contain triclosan as the antibacterial agent and a mixture of perfume materials such as Amberlyn Super PM 577, clover leaf, dihydro myrcenol, phenyl propyl alcohol and terpineol alpha.
    Type: Grant
    Filed: June 7, 1999
    Date of Patent: June 5, 2001
    Assignee: Quest International B.V.
    Inventors: John Martin Behan, Tony Minhas, Alan Forbes Provan, David Charles Hooper