Patent · US Expired

Method for controlling retraction of composite materials

US6811638B2 · kind B2 · utility

36Cited by

82References

43Claims

0Family size

Assignee

Kimberly-Clark Worldwide, Inc. · US

Inventors

Kenneth B. Close · New London, US
David J. Baer · Auburn, US
Charles Allen Smith · Snellville, US
Stephen Primm · Cumming, US
Walter A. Mattingly · Appleton, US
Scott Richard Lange · Appleton, US

Key dates

Filing date	Dec 28, 2001
Grant date	Nov 2, 2004
Priority date	—
Expiry date	Sep 6, 2022

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T442/659
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

The present invention provides a process for heat treatment of non-woven composite elastic material including a non-woven elastic layer; a non-woven gatherable layer. The process includes stretching the material, heating the material and cooling the material. The material has a softer more cloth-like feel.

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