Patents by Inventor Jan-Willem Zacharias Ruizendaal

Jan-Willem Zacharias Ruizendaal 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).

  • Single phase aqueous surfactant-free nontoxic air freshening composition and wick-containing air freshening device using said composition
    Patent number: 6506723
    Abstract: Described is a single phase aqueous surfactant-free nontoxic air freshening composition containing 30-70% water, 5-20% of a fragrance, at least 60% of the components of which has a C log10 P≦2.5 and 30-60 weight percent of a mixture of two glycol ether components: (i) dipropylene glycol methyl ether; and (ii) propylene glycol propyl ether or propylene glycol butyl ether. Also described is an air freshener device comprising a vessel for the aforementioned composition, an emanating surface and a wick for supplying the composition to the emanating surface. In another embodiment of the invention is a stain removal wipe, which contains a fragrant aqueous system with low solvent and substantially free of surfactant.
    Type: Grant
    Filed: August 2, 2000
    Date of Patent: January 14, 2003
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Arnoud Van Walsum, Jan-Willem Zacharias Ruizendaal, Richard M. Boden, Andrew John Crossman, Michael John Robert White
  • Single phase aqueous surfactant-free nontoxic air freshening composition and wick-containing air freshening device using said composition
    Patent number: 6180595
    Abstract: Described is a single phase aqueous surfactant-free nontoxic air freshening composition containing 30-70% water, 5-20% of a fragrance, at least 60% of the components of which has a C log10P≦2.5 and 30-60 weight percent of a mixture of two glycol ether components: (i) dipropylene glycol methyl ether; and (ii) propylene glycol propyl ether or propylene glycol butyl ether. Also described is an air freshener device comprising a vessel for the aforementioned composition, an emanating surface and a wick for supplying the composition to the emanating surface.
    Type: Grant
    Filed: August 26, 1999
    Date of Patent: January 30, 2001
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Arnoud Van Walsum, Jan-Willem Zacharias Ruizendaal, Richard M. Boden, Michael John Robert White