Patents Represented by Law Firm Gilbert M. Villacorta, Ph.D, Pepper Hamilton LLP
  • Process for sterilization by radiation and by the use of an oxygen absorber, a container and a medical article sterilized by the process
    Patent number: 5881534
    Abstract: A novel process for sterilizing an article made from polymeric material by radiation sterilization. The article is enclosed in a gas impermeable package together with an oxygen absorber for a time sufficient to consume substantially all the oxygen in the package and the oxygen dissolved in the polymeric material. The article is prefereably intended for medical use and can contain a radiation sterilizable parenterally administerable preparation.
    Type: Grant
    Filed: February 21, 1997
    Date of Patent: March 16, 1999
    Assignee: Pharmacia & Upjohn AB
    Inventors: Anna Ahlqvist, Kjell Berglund, Stefan Lundmark, Jimmie Ward