Patent · US Expired

Modified polyurethane foamed materials used as adsorbents

US6855739B2 · kind B2 · utility

9Cited by
1References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 25, 2001
Grant dateFeb 15, 2005
Priority date
Expiry dateMay 21, 2021

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08J2479/00
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

The invention relates to polyurethane foams comprising

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