Patents by Inventor Hugh Frederick Collins

Hugh Frederick Collins 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).

  • Rejuvenation and/or cleaning of catalysts
    Patent number: 6843813
    Abstract: Compositions and methods are provided forcleaning and/or rejuvenating catalysts, including catalysts of the type used in vehicle catalytic converters. The compositions of the invention comprise a hydrocarbon source and an oxygen donor, which may be one and the same compound. The composition may be combustible, and the composition may generate organic acid vapor upon combustion. The composition may also include a number of trace metals. Methods according to the invention include the steps of bringing the catalyst up to working temperature and passing the rejuvenating and/or cleansing composition or the combustion products of the rejuvenating and/or cleansing composition over the catalyst.
    Type: Grant
    Filed: June 7, 2000
    Date of Patent: January 18, 2005
    Inventor: Hugh Frederick Collins