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:
Sep. 09, 1986
Filed:
Apr. 16, 1985
Applicant:
Inventor:
Donald E Beckett, Mississauga, Ontario, CA;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23F / ; B44C / ; C03C / ; C03C / ;
U.S. Cl.
CPC ...
156634 ; 156635 ; 156638 ; 156656 ; 156658 ; 156665 ; 156345 ; 252 795 ;
Abstract
Demetallizing method and apparatus capable of high speed continuous production of selectively patterned metallized film, particularly polymeric film, useful in packaging products are disclosed. A water-based varnish having etchant dissolved therein is printed on the metallized surface in a desired pattern, the spent etchant solution is washed from the etched surface while the other surface is maintained out of contact with the wash water, and the etched web is dried.