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:
Jun. 14, 2011
Filed:
Mar. 08, 2006
Teppo Sahlberg, Lappeenranta, FI;
Timo Kallio, Tampere, FI;
Tuomas Mustonen, Jyväskylä, FI;
M-real Oyj, Espoo, FI;
Abstract
The invention relates to a method for producing a visually identifiable diffractive pattern on a substrate by subjecting the substrate to pressure by bringing it into contact with a surface of an embossing plate. An imprinted paper or paperboard sheet, which is varnished at the contacting area of the embossing plate and the substrate is used as a substrate for the embossing. The invention relates also to a product manufactured using the described method. The method is applicable, for example, for common packaging materials, which contain a paperboard, imprinting and a varnish layer for producing a visually attractive and unique marking.