Patents by Inventor Zhiquan Yan

Zhiquan Yan 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).

  • Hermetically sealed paperboard container with enhanced barrier performance
    Patent number: 8448844
    Abstract: A hermetically sealed paperboard container including a container body component including upper and lower ends, the body component being formed from a blank including a paperboard layer having first and second major sides, a first sealant layer on the first major side, a barrier layer on the second major side, and a second sealant layer on the barrier layer, wherein the blank includes first and second longitudinal ends, the first longitudinal end being skived to a predetermined thickness for a predetermined width, the skived portion being folded over onto the blank and heat-sealed to the first sealant layer to form a folded first longitudinal end, and wherein the body component includes an overlapped seam including the folded first longitudinal end positioned inside the second longitudinal end, a bottom component sealed to the lower end; and a lid component hermetically sealed to the upper end.
    Type: Grant
    Filed: January 4, 2012
    Date of Patent: May 28, 2013
    Assignee: MeadWestvaco Corporation
    Inventor: Zhiquan Yan
  • Hermetically Sealed Paperboard Container with Enhanced Barrier Performance
    Publication number: 20120104078
    Abstract: A hermetically sealed paperboard container including a container body component including upper and lower ends, the body component being formed from a blank including a paperboard layer having first and second major sides, a first sealant layer on the first major side, a barrier layer on the second major side, and a second sealant layer on the barrier layer, wherein the blank includes first and second longitudinal ends, the first longitudinal end being skived to a predetermined thickness for a predetermined width, the skived portion being folded over onto the blank and heat-sealed to the first sealant layer to form a folded first longitudinal end, and wherein the body component includes an overlapped seam including the folded first longitudinal end positioned inside the second longitudinal end, a bottom component sealed to the lower end; and a lid component hermetically sealed to the upper end.
    Type: Application
    Filed: January 4, 2012
    Publication date: May 3, 2012
    Inventor: Zhiquan Yan
  • Hermetically sealed paperboard container with enhanced barrier performance
    Patent number: 8113416
    Abstract: A hermetically sealed paperboard container including a container body component including upper and lower ends, the body component being formed from a blank including a paperboard layer having first and second major sides, a first sealant layer on the first major side, a barrier layer on the second major side, and a second sealant layer on the barrier layer, wherein the blank includes first and second longitudinal ends, the first longitudinal end being skived to a predetermined thickness for a predetermined width, the skived portion being folded over onto the blank and heat-sealed to the first sealant layer to form a folded first longitudinal end, and wherein the body component includes an overlapped seam including the folded first longitudinal end positioned inside the second longitudinal end, a bottom component sealed to the lower end; and a lid component hermetically sealed to the upper end.
    Type: Grant
    Filed: July 14, 2011
    Date of Patent: February 14, 2012
    Assignee: MeadWestvaco Corporation
    Inventor: Zhiquan Yan
  • Hermetically Sealed Paperboard Container with Enhanced Barrier Performance
    Publication number: 20110259943
    Abstract: A hermetically sealed paperboard container including a container body component including upper and lower ends, the body component being formed from a blank including a paperboard layer having first and second major sides, a first sealant layer on the first major side, a barrier layer on the second major side, and a second sealant layer on the barrier layer, wherein the blank includes first and second longitudinal ends, the first longitudinal end being skived to a predetermined thickness for a predetermined width, the skived portion being folded over onto the blank and heat-sealed to the first sealant layer to form a folded first longitudinal end, and wherein the body component includes an overlapped seam including the folded first longitudinal end positioned inside the second longitudinal end, a bottom component sealed to the lower end; and a lid component hermetically sealed to the upper end.
    Type: Application
    Filed: July 14, 2011
    Publication date: October 27, 2011
    Inventor: Zhiquan Yan