Patents by Inventor Jeuvo Tjurin

Jeuvo Tjurin 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).

  • Patent number: 8012445
    Abstract: A method and apparatus for producing a calcium carbonate product formed of small <100 ?m sized separate calcium carbonate particles. Calcium hydroxide is fed through a disintegration and spraying apparatus (14), operating on the principle of a pin mill, into a gas which contains carbon dioxide for precipitating calcium carbonate particles and which is inside a precipitation reactor (10). The temperature in the precipitation reactor is maintained at <65° C.
    Type: Grant
    Filed: July 5, 2005
    Date of Patent: September 6, 2011
    Assignee: FP-Pigments Oy
    Inventors: Mikko Maijala, Roope Maijala, Bj{hacek over (o)}rn Lax, Jarmo Tolonen, Jeuvo Tjurin