Patents by Inventor Donald W. Vought

Donald W. Vought 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).

  • Heat resistant heat shrinkable films
    Patent number: 4590106
    Abstract: A three layer heat shrinkable film is disclosed, along with preferred process for making it. The film comprises a first heat sealable layer of an ionomer, a second layer of a vinylidene chloride copolymer, and a third layer of a blend of an ionomer and an EVA copolymer. The EVA content is no greater than 20% of the blend by weight, and the vinyl acetate content is at least 4.5% of the blend by weight. In the preferred process, a three layer tape is coextruded and cooled, and reheated to 197.degree.-203.degree. F., and oriented in a conventional double bubble process.
    Type: Grant
    Filed: March 7, 1985
    Date of Patent: May 20, 1986
    Assignee: American Can Company
    Inventors: Joseph C. Hsu, Donald W. Vought, George H. Walbrun
  • Preparing heat resistant heat shrinkable films
    Patent number: 4541983
    Abstract: A three layer heat shrinkable film is disclosed, along with preferred process for making it. The film comprises a first heat sealable layer of an ionomer, a second layer of a vinylidene chloride copolymer, and a third layer of a blend of an ionomer and an EVA copolymer. The EVA content is no greater than 20% of the blend by weight, and the vinyl acetate content is at least 4.5% of the blend by weight. In the preferred process, a three layer tape is coextruded and cooled, and reheated to 197.degree.-203.degree. F., and oriented in a conventional double bubble process.
    Type: Grant
    Filed: November 10, 1983
    Date of Patent: September 17, 1985
    Assignee: American Can Company
    Inventors: Joseph C. Hsu, Donald W. Vought, George H. Walbrun
  • Heat resistant heat shrinkable film
    Patent number: 4501779
    Abstract: A three layer heat shrinkable film is disclosed, along with preferred process for making it. The film comprises a first heat sealable layer of an ionomer, a second layer of a vinylidene chloride copolymer, and a third layer of a blend of an ionomer and an EVA copolymer. The EVA content is no greater than 20% of the blend by weight, and the vinyl acetate content is at least 4.5% of the blend by weight. In the preferred process, a three layer tape is coextruded and cooled, and reheated to 197.degree.-203.degree. F., and oriented in a conventional double bubble process.
    Type: Grant
    Filed: October 5, 1981
    Date of Patent: February 26, 1985
    Assignee: American Can Company
    Inventors: Joseph C. Hsu, Donald W. Vought, George H. Walbrun