Patents by Inventor Salla Roni

Salla Roni 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).

  • Procedure for producing poly-alpha-olefine-type lubricants
    Patent number: 4956512
    Abstract: In producing lubricants by oligomerizing alpha-olefins with the aid of a catalyst of a BF.sub.3 and alcohol or carboxylic acid cocatalyst, the utilized catalyst complex can be recovered by distillation and reused as catalyst in a similar oligomerizing process.
    Type: Grant
    Filed: November 14, 1988
    Date of Patent: September 11, 1990
    Assignee: Neste Oy
    Inventors: Fredrik Nissfolk, Salme Koskimies, Peter Idelman, Matti Nurminen, Salla Roni