Patents by Inventor Mehta Sanjay

Mehta Sanjay 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).

  • Articles having improved gas barrier properties
    Patent number: 8609783
    Abstract: The present invention relates to a blend of sulfo-modified copolyester wherein the diacid is aromatic or cyclic and polyglycolic acid. The blend of sulfo-modified copolyester and polyglycolic acid can be used to prepare containers with good transparency and high gas barrier properties. The preferred sulfo-modified copolyester composition comprises terephthalic acid, isophthalic acid and 5-sulfoisophthalic acid. A method of preparing a blend of sulfo-modified copolyester and polyglycolic acid is disclosed, as well as master batch processes. The present invention also relates to a method of making a container wherein the sulfo-modified copolyester is blended with the polyglycolic acid at an injection molding machine used to make preforms, which are then blown into bottles.
    Type: Grant
    Filed: October 6, 2006
    Date of Patent: December 17, 2013
    Assignee: Invista North America S.A.R.L.
    Inventor: Mehta Sanjay