Patents by Inventor Lothar Bothe

Lothar Bothe 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: 4502263
    Abstract: A sealable, transparent, polyolefinic multilayer film comprises a base layer formed of a polypropylene polymer and at least one sealable layer, which contains a propylene copolymer, a low-molecular weight resin, a polypropylene homopolymer and a polydiorganosiloxane. The sealing layer is comprised of a combination of(a) from about 68.5 to 89.7% by weight, based on the weight of the sealable layer, of an olefin resin composition, comprising an ethylene-propylene-butylene terpolymer and a propylene-butylene copolymer, corresponding to a content of from about 0.1 to 7% by weight of ethylene, 53 to 89.9% by weight of propylene and 10 to 40% by weight of butylene, based on the weight of the olefin resin composition,(b) from about 5 to 15% by weight, based on the weight of the sealable layer, of a low-molecular weight resin, which compatible with the olefin resin composition,(c) from about 5 to 15% by weight, based on the weight of the sealable layer, of a propylene homopolymer, and(d) from about 0.3 to 1.
    Type: Grant
    Filed: December 16, 1983
    Date of Patent: March 5, 1985
    Assignee: Hoechst Aktiengesellschaft
    Inventors: G/u/ nther Crass, Siegfried Janocha, Wolfgang Dietz, Lothar Bothe