Patents by Inventor Joseph N. Craver

Joseph N. Craver 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: 4511609
    Abstract: A multilayer plastic film suitable for use in the manufacture of garbage and trash bags wherein the film comprises a first outer layer of low pressure, low density polyethylene, a core layer of high pressure, low density polyethylene, and a second outer layer of high pressure, low density polyethylene.
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: April 16, 1985
    Assignee: Union Carbide Corporation
    Inventors: Joseph N. Craver, Jerome T. Horner
  • Patent number: 4505970
    Abstract: A multilayer film suitable for use in the manufacture of garbage and trash bags wherein the first outer layer comprises a blend of a low pressure, low density polyethylene having a melt index of about 1 decigram per minute and a low pressure, low density polyethylene having a melt index of about 2 decigrams per minute. The second outer layer is made with a high pressure, low density polyethylene.
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: March 19, 1985
    Assignee: Union Carbide Corporation
    Inventor: Joseph N. Craver