Patents by Inventor Donald J. Krieg

Donald J. Krieg 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).

  • Method of sealing laminar thermoplastic films and bags
    Patent number: 4488924
    Abstract: A heat sealable film laminate having a first layer of a major amount of a high density polyolefin, a minor proportion of an adhesion promoting ionomer and a heat seal promoting proportion of a metal salt of a fatty acid; and a second layer adhering to the first layer, said layer comprising a polyamide. A food storage and heating bag formed from said laminate and a method of heat sealing said laminate.
    Type: Grant
    Filed: March 24, 1983
    Date of Patent: December 18, 1984
    Assignee: Mobil Oil Corporation
    Inventor: Donald J. Krieg
  • Laminar thermoplastic films, bags thereof
    Patent number: 4401256
    Abstract: A heat sealable film laminate having a first layer of a major amount of high density polyolefin, a minor proportion of an adhesion promoting ionomer and a heat seal promoting proportion of a metal salt of a fatty acid; and a second layer adhering to the first layer, said layer comprising a polyamide. A food storage and heating bag formed from said laminate and a method of heat sealing said laminate.
    Type: Grant
    Filed: December 10, 1981
    Date of Patent: August 30, 1983
    Assignee: Mobil Oil Corporation
    Inventor: Donald J. Krieg