Patent · US Expired

Open-cell particulate foams

US6521672B1 · kind B1 · utility

11Cited by
2References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 13, 2001
Grant dateFeb 18, 2003
Priority date
Expiry dateNov 13, 2021

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L33/12
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Open-cell moldable foams are based on a thermoplastic matrix which comprises A. from 99 to 50% by weight of a styrene polymer and B. from 1 to 50% by weight of a polymer of low compatibility with the styrene polymer.

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