Patent · US Expired

Water swellable compositions

US6103317A · kind A · utility

26Cited by
13References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 10, 1998
Grant dateAug 15, 2000
Priority date
Expiry dateFeb 10, 2018

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T74/20456
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

The invention provides a water-blocking composite comprising a substrate impregnated with or having a coating of a mixture of a radiation-polymerised compound and a water-swellable compound, and method for production thereof.

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