Patent · US Active

Method for making absorbent products

US8497410B2 · kind B2 · utility

16Cited by

39References

19Claims

0Family size

Assignee

Rayonier TRS Holdings, Inc. · US

Inventors

Phyllis Leithem · McCleary, US
Charles A. Kremers · Levittown, US
W. Paul Harrell · Jesup, US
Stephen Lewis · Shelton, US
Karl D. Sears · Shelton, US
Quan He · Lacey, US
Peter R. Abitz · Decatur, US

Key dates

Filing date	Feb 18, 2011
Grant date	Jul 30, 2013
Priority date	—
Expiry date	Jan 20, 2032

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD21C3/02
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

A method of making personal hygiene articles of high absorbency from cellulosic fiber pulp without chemical cross-linking of the cellulosic fibers is disclosed. The method comprises interposing a sublayer of mechanically fluffed alkali extracted cellulosic fiber pulp between a fluid permeable layer and a fluid impermeable layer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.