Patent · US Expired

Absorber and method for producing it

US7258904B2 · kind B2 · utility

3Cited by
11References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 19, 2005
Grant dateAug 21, 2007
Priority date
Expiry dateAug 17, 2025

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/1307
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

According to the present invention, a water absorbent material and materials to be sucked included in a water permeable bag type member form a water absorber. Thus, the water absorber is small both in weight and volume upon its transportation, and accordingly, the water absorber can be rapidly conveyed in large quantities without depending on a human power. The water absorber absorbs water upon its use to adequately satisfy a function of a form traceability for weight, volume and outline.

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