US Patent 7491420 Method of manufacturing a plastic container

Patent 7491420 was granted and assigned to Plastipak on February, 2009 by the United States Patent and Trademark Office.

Overview Structured Data Issues Contributors Activity

Is a

Patent

Patent attributes

Current Assignee

Plastipak

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

74914200

Date of Patent

February 17, 2009

Patent Application Number

116536650

Date Filed

January 16, 2007

Patent Primary Examiner

‌

William Phillip Fletcher, III

Patent abstract

Forming a plastic container having a base portion adapted to support the container, a cylindrical sidewall projecting upwardly from the base, and a neck finish projecting upwardly from the sidewall and having an opening to the inside of the container. The container is formed with a molded outer layer with inner and outer surfaces and an inner layer extending over the inner surface of the sidewall and base, with the neck finish free from the inner layer. The outer layer is formed with at least one oxygen scavenger material that reacts with oxygen, and the inner layer includes at least one oxygen barrier material.