The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 04, 1999
Filed:
Sep. 22, 1997
Applicant:
Inventors:
Carlo Misiano, Rome, IT;
Enrico Simonetti, Rome, IT;
Francesco Staffeti, Villagrande di Torninparte, IT;
Assignee:
CE.TE.V. Centro Technologie Del Vuoto, Carsoli, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C / ;
U.S. Cl.
CPC ...
427-8 ; 427250 ; 4272553 ; 4272557 ; 427537 ; 427539 ; 427576 ;
Abstract
A plastic wrapping film is provided with one or more aluminum layers by vapor deposition and the or each layer is only partially oxidized in an oxidizing plasma so that the resulting barrier layer is distinguishable by slight reduction in transparency but excellent prevention of penetration by moisture and oxygen.