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:
Jan. 27, 2009

Filed:

Oct. 15, 2004
Applicants:

Richard C Williams, Middletown, NY (US);

Peter M Froass, Chester, NY (US);

David a Boone, Germantown, TN (US);

Richard D Faber, Memphis, TN (US);

Inventors:

Richard C Williams, Middletown, NY (US);

Peter M Froass, Chester, NY (US);

David A Boone, Germantown, TN (US);

Richard D Faber, Memphis, TN (US);

Assignee:

International Paper Company, Memphis, TN (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B29D 22/00 (2006.01); B29D 23/00 (2006.01); B32B 1/08 (2006.01); B65D 27/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

The specification discloses a method for making a paper material having a reduced tendency to cut human skin. The method includes providing a papermaking furnish containing cellulosic fibers and from about 0.5 to about 5.0 wt % by weight dry basis expandable microspheres, forming a paperboard web from the papermaking furnish, drying the web, and calendaring the web to a caliper of from about 11.0 to about 18.0 mils and a density ranging from about 7.0 to about 12.0 lb/3000 ft/mil. Papers formed according to the method and articles formed therefrom are also disclosed.


Find Patent Forward Citations

Loading…