Patents by Inventor Lennart Kagedal

Lennart Kagedal 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).

  • Adsorption/separation method and a medium for adsorption/separation
    Patent number: 6428707
    Abstract: A method for adsorption of a substance from a liquid sample on a fluidized bead or stirred suspension, in which the beads used comprise a base matrix and exhibit a structure having affinity to the substance, characterized in that the structure is covalently bound to the base matrix via an extender. Populations of beads in which the beads contain a filler incorporated in a base matrix and an extender are also described.
    Type: Grant
    Filed: March 13, 2000
    Date of Patent: August 6, 2002
    Assignee: Amersham Pharmacia Biotech AB
    Inventors: Hans Berg, Hasse Hansson, Lennart Kagedal
  • Agent for intravascular administration
    Patent number: 4115536
    Abstract: The present invention relates to an agent for intravascular administration for diagnostic and/or physiologic investigations, which agent consists of or contains a suspension of minute radioactive particles in a physiologically acceptable liquid.Radioactively labelled microspheres, in suspension in a physiologically acceptable liquid, have lately been increasingly used in circulation studies, studies of the shunting phenomena, microcirculation studies, nutrition studies and as a means for carrying out scintography on man and animals.
    Type: Grant
    Filed: September 10, 1975
    Date of Patent: September 19, 1978
    Assignee: Pharmacia Fine Chemicals AB
    Inventors: Ulf Sven Erik Rothman, Sven Lennart Kagedal, John Lennart Soderberg