Meadwestvaco Corporation

Westrock Mwv, LLC

Wei-Hwa Her

Gary P Fugitt

Jason Richard Hogan

Steven Parker

Steve G Bushhouse

Steven G Bushhouse

Scott E Ginther

Terrell J Green

Terrell Green

Gary Fugitt

Steven Bushhouse

Scott Ginther

A paper or paperboard including a cellulose substrate and a coating applied to each side of the paperboard substrate to form a coated structure, the coated structure having a basis weight, a caliper thickness and a Parker Print Surf smoothness, the Parker Print Surf smoothness being at most about 2 microns, the basis weight being less than about Y1 pounds per 3000 ft2, wherein Y1 is a function of the caliper thickness (X) in points and is calculated as follows:1=29.15+11.95&#x2212;0.074152.

Low density paper and paperboard with two-sided coating

A basecoat including a pigment blend that includes a ground calcium carbonate component and a hyperplaty clay component, wherein the ground calcium carbonate component has a coarse particle size distribution, and wherein the hyperplaty clay component has an average aspect ratio of at least 40:1.

Basecoat and associated paperboard structure

A paper or paperboard including a cellulose substrate and a coating applied to each side of the paperboard substrate to form a coated structure, the coated structure having a basis weight, a caliper thickness and a Parker Print Surf smoothness, the Parker Print Surf smoothness being at most about 2 microns, the basis weight being less than about Ypounds per 3000 ft2, wherein Yis a function of the caliper thickness (X) in points and is calculated as follows: Y=29.15+11.95X&#x2212;0.07415X2.

A method for coating paperboard including the steps of preparing a paperboard substrate having a basis weight of at least about 85 pounds per 3000 ft, with the proviso that the paperboard substrate is not subjected to a wet stack calendering process, applying a basecoat to at least one surface of the paperboard substrate to form a coated paperboard structure, the basecoat including at least one pigment, the pigment having a sediment void volume of at least about 45 percent, and applying a top coat over the basecoat of the coated paperboard structure to form a top-coated paperboard structure having an outermost coating surface, wherein the outermost coating surface has a Parker Print Surf smoothness of at most about 3 microns.

Method for coating dry finish paperboard

A basecoat including a pigment blend of a coarse ground calcium carbonate and a hyperplaty clay having an average aspect ratio of at least about 40:1.

A method for coating paperboard including the steps of preparing a web of cellulosic fibers, the web having a basis weight of at least about 85 pounds per 3000 ft, calendering the web at least once to form a paperboard substrate, wherein each of the calendering steps is performed without substantially introducing moisture to the web, and applying a basecoat to at least one surface of the paperboard substrate to form a coated paperboard structure, the basecoat including at least one pigment, the pigment having a sediment void volume of at least about 45 percent, wherein the coated paperboard structure has a Parker Print Surf smoothness of at most about 3 microns.

A paperboard including a solid bleached sulfate paperboard substrate and a coating applied to the paperboard substrate to form a coated structure, the coated structure having a basis weight, a caliper thickness and a Parker Print Surf smoothness, the Parker Print Surf smoothness being at most about 3 microns, the basis weight being at most about Ypounds per 3000 ft, wherein Yis a function of the caliper thickness (X) in points and is calculated as follows: Y=3.79+13.43X&#x2212;0.1638X.

Growing community of inventors

Beaumont, TX, United States of America

Wei-Hwa Her