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.

Date of Patent:
Dec. 29, 1998

Filed:

Jul. 29, 1996
Applicant:
Inventor:

Barry Gene Calvert, Covington, VA (US);

Assignee:

Westvaco Corporation, New York, NY (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ; B32B / ; B32B / ;
U.S. Cl.
CPC ...
428204 ; 428 343 ; 428 366 ; 428201 ; 428203 ; 428206 ; 428211 ; 428347 ; 428452 ; 428454 ; 4285375 ;
Abstract

Paperboard lids for containers comprising of a paperboard substrate, a coating of particulate minerals, a printed layer, and a radiation cured overprint varnish wherein the overprint varnish is mass stable and heat resistant above 325.degree. F. and does not distort or stick during platen heat sealing.


Find Patent Forward Citations

Loading…