Patents by Inventor Alan Jeffrey Ronvak

Alan Jeffrey Ronvak 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).

  • Hydrocarbonaceous composition containing odor suppressant
    Patent number: 6461421
    Abstract: This invention relates to a composition, comprising: (A) an odor-emitting hydrocarbonaceous material; and (B) an odor-suppressing amount of an aldehyde or a ketone, and a carboxylic acid ester.
    Type: Grant
    Filed: March 31, 2000
    Date of Patent: October 8, 2002
    Inventor: Alan Jeffrey Ronvak