Patents by Inventor Chi C. Lin

Chi C. Lin 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).

  • Method of forming container with high-crystallinity sidewall and low-crystallinity base
    Patent number: 5520877
    Abstract: A method of making a polyester container having an enhanced level of crystallinity in the sidewall while maintaining a low level of crystallinity in a thickened base portion. The container is particularly useful as a refillable container which can withstand higher caustic wash temperatures and exhibits reduced flavor carryover, or as a hot-fill container. According to the method, a sidewall-forming section of a preform is initially expanded, heated to contract and crystallize the same, and than reexpanded; a base-forming portion of the preform is shielded from the heat treatment and is expanded either before or after the heat treatment step.
    Type: Grant
    Filed: June 30, 1993
    Date of Patent: May 28, 1996
    Assignee: Continental PET Technologies, Inc.
    Inventors: Wayne N. Collette, Suppayan M. Krishnakumar, Chi C. Lin