Patents by Inventor Gosta Redelius

Gosta Redelius 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).

  • Bitumen emulsion and its use
    Patent number: 5521235
    Abstract: A bitumen emulsion of the cationic type is disclosed which contains a thickener comprising at least one substance selected from the group consisting of associative thickeners of the nonionic type. The invention also relates to the use of a thickener of the above mentioned type as a thickener in a bitumen emulsion of the cationic type and the use of a bitumen emulsion containing a thickener as set forth above in road building, roofing and waterproofing.
    Type: Grant
    Filed: July 27, 1994
    Date of Patent: May 28, 1996
    Assignee: Aktiebolaget Nynas Petroleum
    Inventor: Gosta Redelius