Patents by Inventor Juba Ala-Sorvari

Juba Ala-Sorvari 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).

  • Drug delivery device especially for the delivery of progestins and estrogens
    Patent number: 6063395
    Abstract: The invention relates to a delivery device for the controlled release of a therapeutically active agent, especially a progestin or an estrogen, over a prolonged period of time, said device including a core which contains the therapeutically active agent, and a membrane encasing the core wherein said membrane is made of an elastomer. According to the invention, the elastomer is a siloxane-based elastomer which includes 3,3,3-trifluoropropyl groups attached to the Si-atoms of the siloxane units.
    Type: Grant
    Filed: November 12, 1998
    Date of Patent: May 16, 2000
    Assignee: Leiras Oy
    Inventors: Tommi Markkula, Juba Ala-Sorvari, Harri Jukarainen, Matti Lehtinen, Jarkko Ruohonen