Patents by Inventor Celal Albayrak

Celal Albayrak 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: 5501863
    Abstract: Microparticles comprising biodegradable polymers, characterized in that they are synthesized from polymerizable aldehydes, which optionally contain additives and/or crosslinkers capable of copolymerization, optionally surfactants or surfactant mixtures, gases and/or highly volatile liquids in free or bound form, coupling agents, optionally biomolecules or macromolecules bound by these coupling agents as well as optionally diagnostically or therapeutically effective components, are suitable as ultrasonic contrast media.
    Type: Grant
    Filed: January 17, 1995
    Date of Patent: March 26, 1996
    Assignee: Schering Aktiengesellschaft
    Inventors: Georg Ro/ ssling, Celal Albayrak, Matthias Rothe, Joachim Siegert