Patents by Inventor Fred Beerwart

Fred Beerwart 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).

  • Multilayer protective garment film
    Patent number: 5814413
    Abstract: The present multilayer coextruded polymer films, are made up of one or more layers which contain 20 to 100 percent by weight of a first polymer resin selected from the group consisting of a terpolymer of ethylene, butene and hexene produced using a metallocene single site catalyst, a copolymer of ethylene and hexene produced using a metallocene single site catalyst and a copolymer of ethylene and butene produced using a metallocene single site catalyst, ; and 0 to 80 percent of a second polymer resin selected from the group consisting of low density polyethylene, linear low density polyethylene, ultra low density polyethylene, very low density polyethylene, a terpolymer of ethylene, butene and hexene produced using a metallocene single site catalyst which is different from that used as the first polymer resin, a copolymer of ethylene and hexene produced using a metallocene single site catalyst which is different from that used as the first polymer resin, a copolymer of ethylene and butene produced using a met
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: September 29, 1998
    Assignee: Huntsman United Films Corporation
    Inventor: Fred Beerwart