Patent · US Expired

Method for providing fibers or non-woven fabric with an anti-microbial finish

US6936345B2 · kind B2 · utility

2Cited by

6References

18Claims

0Family size

Assignee

Cognis Deutschland GmbH & Co. KG · DE

Inventors

Christine Wild · Hilden, DE
Raymond Mathis · Goldkronach, DE
Edda Schirmer · Wuppertal, DE
Rolf Stein · Swindon, GB

Key dates

Filing date	Jan 30, 2002
Grant date	Aug 30, 2005
Priority date	—
Expiry date	May 29, 2022

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T442/2525
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

A process for antibacterially finishing a polymeric substrate involving: (a) providing a polymeric substrate made from a compound selected from the group consisting of a polyolefin, a polyester, and combinations thereof; (b) providing an antibacterial finish composition containing: (i) from about 0.1 to 10% by weight of at least one monoester of glycerol and a C6-14 fatty acid; and (ii) from about 0.01 to 10% by weight of chitosan, all weights being based on the weight of the composition; and (c) applying the composition onto the polymeric substrate.

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