Patents by Inventor Uwe Ballerstedt

Uwe Ballerstedt 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).

  • Packaging film comprising a sealing layer and a substrate layer
    Patent number: 5451468
    Abstract: A packaging film containsa) a sealing layer of a mixture of from 50 to 80% by weight of a random terpolymer (I) of from 90 to 97% by weight of propylene, from 2 to 6% by weight of ethylene and from 1 to 6% by weight of a C.sub.4 -C.sub.10 -alk-1-ene and from 20 to 50% by weight of at least one ethylene polymer (II)b) and a substrate layer of a thermoplastic polymer.The novel packaging film possesses in particular good sealability over a wide temperature range.
    Type: Grant
    Filed: September 14, 1993
    Date of Patent: September 19, 1995
    Assignee: BASF Aktiensgesellschaft
    Inventors: Erhard Seiler, Werner Schoene, Uwe Ballerstedt