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:
Apr. 16, 2002
Filed:
Jun. 18, 2001
Frank David Harper, Neenah, WI (US);
Taiye Philips Oriaran, Appleton, WI (US);
John Dennis Litvay, Appleton, WI (US);
Fort James Corporation, Deerfield, IL (US);
Abstract
Single-ply absorbent tissue paper wherein of the fibers incorporated in the web: (a) at least 20% by weight have a coarseness exceeding 23 mg/100 m; (b) at least about 20% by weight have a coarseness of less than about 12 mg/100 m; and (c) the weight average fiber coarseness to length ratio is less than about 8.5 mg/100 m/mm. The single-ply tissue having: a serpentine configuration; low sidedness; a basis weight of at least about 12.5 lbs. per 3000 square foot ream; specific total tensile strength between 40 and 200 g/3 inches/lb per 3000 square foot ream; a cross direction specific wet tensile strength between 2.75 and 20.0 g/3 inches/lb per 3000 square foot ream; an MD tensile to CD tensile ratio between 1.25 and 2.75; a specific geometric mean tensile stiffness between 0.5 and 3.2 g/inch/% strain per pound per 3000 square foot ream; a friction deviation less than 0.250; and a sidedness parameter less than 0.30.