Patent · US Expired

Inorganic foam

US4130687A · kind A · utility

17Cited by
4References
27Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 14, 1977
Grant dateDec 19, 1978
Priority date
Expiry dateApr 14, 1997

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/249973
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A rigid cellular foam of Vermiculite lamellae made by drying the frothy mass formed when an aqueous suspension is gasified.

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