Patents by Inventor William Paul Kane

William Paul Kane 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-sealable vinylidene chloride copolymer coating composition
    Patent number: 4097433
    Abstract: A heat-sealable coating composition which comprises a copolymer of vinylidene chloride and one or more other ethylenically unsaturated monomers, there being one such copolymer containing at least about 5 weight percent methacrylonitrile, the total vinylidene chloride content of the polymer(s) in the composition being at least about 88 weight percent of the polymer(s), and specified amounts of behenic acid, carnauba wax, candelilla wax, stearamide and glyceryl monostearate; base films coated therewith, and coating baths thereof. The coated film is a versatile packaging film, which not only can be used without difficulty on various types of automatic packaging machines, but also can be used for making various laminated films and as a substrate for extrusion coated films.
    Type: Grant
    Filed: May 20, 1976
    Date of Patent: June 27, 1978
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: William Paul Kane
  • Polyethylene terephthalate/paperboard laminate and method of making it, container blank formed from such laminate and container formed from such blank, and cooking method using such container
    Patent number: 3967998
    Abstract: A container is provided formed from a blank made of a laminate which includes nonbrowning paperboard and at least an inner layer of substantially amorphous polyethylene terephthalate bonded to the paperboard by its own substance. A method of making this laminate is provided including the steps of heating an uncoated surface or both surfaces of the paperboard to a temperature of at least about 285.degree.F. and extruding the polyethylene terephthalate layer onto this surface or these surfaces. A method of cooking is provided including the steps of forming a container from the blank, placing food in the container and cooking the food at a temperature of up to about 400.degree.F.
    Type: Grant
    Filed: May 9, 1974
    Date of Patent: July 6, 1976
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: William Paul Kane
  • Method of making a polyethylene terephthalate laminate
    Patent number: 3939025
    Abstract: A container is provided formed from a blank made of a laminate which includes nonbrowning paperboard and at least an inner layer of substantially amorphous polyethylene terephthalate bonded to the paperboard by its own substance. A method of making this laminate is provided including the steps of heating an uncoated surface or both surfaces of the paperboard to a temperature of at least about 285.degree.F. and extruding the polyethylene terephthalate layer onto this surface or these surfaces. A method of cooking is provided including the steps of forming a container from the blank, placing food in the container and cooking the food at a temperature of up to about 400.degree.F.
    Type: Grant
    Filed: April 2, 1974
    Date of Patent: February 17, 1976
    Assignee: E. I. DuPont de Nemours & Co.
    Inventor: William Paul Kane