Plasma treated metallized film

Patent Name Plasma Treatment Metallized Film Patent Applicant Robert T. Korovich Principal Applicant Address US New Jersey Inventor Robert T. Korovich Application (Patent) No. 03823166.2 Date of Application 2003.08.14 Certification Date Approval Notice No. 1685076 Auditing Notice Day 2005.10.19 Instruction CD-ROM D0542 Main Classification Code C23C14/02 Classification Code C23C14/02; C23C14/56 Sub-item Original Application No. 2001.28.14 US 60/403,294; 2003.2.21 US 60/448,859 Digest A plasma treated metallized plastic film with ultra-high barrier properties is provided at low cost. Sovereignty item 1. A method comprising the steps of providing a material for food or liquid packaging, the material comprising a plastic film, the plastic film being plasma treated in a vacuum chamber of the metallization apparatus, At least one side of the film is coated with a desired metal to form a metallized film having an oxygen transmission rate (OTR) of not more than 0.03 cc/100 in2/day at 100°F and 100% RH. The water vapor transmission rate is not more than 0.035 cc/100 in2/day. International Application PCT/US2003/025582 2003.8.14 International Publication WO2004/016417 English 2004.2.26 Entering Country Date Patent Agency Shanghai Patent & Trademark Office Co., Ltd. Agency Address Zhou Chengze