Patent · US Expired

Mineral fiber-based absorbent material

US4748977A · kind A · utility

7Cited by
4References
28Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 17, 1985
Grant dateJun 7, 1988
Priority date
Expiry dateDec 17, 2005

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T442/68
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A fibrous mineral material serving as an absorbent, especially for hygienic products such as diapers, sanitary napkins, bandages and similar products, is comprised at least partially of these mineral fibers, which have a specific surface area greater than 0.25 m.sup.2 /g. The material has an appreciably greater absorption capacity than the regularly-used cellulose fluff-based products.

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