Patent · US Expired

Bonded fiber web, which is capable of absorbing water vapor comprising a swellable cellulose ether in fiber form

US4187342A · kind A · utility

36Cited by

8References

8Claims

0Family size

Assignee

Hoechst GmbH · DE

Inventors

Arno Holst
Helmut Lask · Wiesbaden, DE
Ehrenfried Nischwitz · Königstein, DE
Wilhelm Fischer · Westfield, US

Key dates

Filing date	Mar 10, 1978
Grant date	Feb 5, 1980
Priority date	—
Expiry date	Mar 10, 1998

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T442/699
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

This invention relates to a bonded fiber web capable of absorbing water vapor and composed of synthetic, natural or regenerated fibers with a uniformly incorporated additive of at least one polymer, said additive comprising fibrous particles of at least one swellable carbohydrate derivative or a swellable modified carbohydrate derivative. The invention also relates to a process for the manufacture of the bonded fiber web.

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