Menstruation tampon

US4217900A · kind A · utility

Assignee

• Henkel Kommanditgesellschaft auf Aktien (Henkel KGAA) · DE

Inventors

• Georg Wiegner · Kowloon, CN
• Hartmut Schwolow · Grefrath, DE
• Dieter Klein · Schönaich, DE
• Jurgen Malaskiewicz · Düsseldorf, DE

Key dates

• Filing date: Oct 3, 1978
• Grant date: Aug 19, 1980
• Expiry date: Oct 3, 1998

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S604/904
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A menstruation tampon of wadding of cotton or rayon staple fibers with a treatment for increased absorbency by addition of a hydrophilic agent including fibers treated with said hydrophilic agent, in the form of a rolled tampon having the improvement wherein the wadding contains an increased proportion of said hydrophilic agent deposited on a longitudinal section which is relatively short in relation to the length of the tampon, which acts as an absorbency reservoir.