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. 17, 2011
Filed:
May. 07, 2007
David V. Reed, Blanchester, OH (US);
Gregory Wanta, Collierville, TN (US);
Gary W. Nyman, Shanghai, CN;
Douglas W. Wadley, Texarkana, TX (US);
David V. Reed, Blanchester, OH (US);
Gregory Wanta, Collierville, TN (US);
Gary W. Nyman, Shanghai, CN;
Douglas W. Wadley, Texarkana, TX (US);
International Paper Company, Memphis, TN (US);
Abstract
The present invention is related to a paperboard product having a basis weight in a range of 100 to 350 pounds per 3,000 square feet. The paperboard comprises at least one coated surface suitable for printing. The at least one coated surface comprising cellulosic fibers and from about 0.05 to about 0.5 wt. % dry basis expanded synthetic polymer microspheres based on total weight of the of cellulosic fiber dispersed thereof. The coated surface has a Parker smoothness less than about 2.0 and a Hagerty/Sheffield smoothness not less than about 20 Sheffield units.