Patent · US Expired

Dry powder compositions of vermiculite lamellae and additives

US4324838A · kind A · utility

13Cited by
9References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 14, 1979
Grant dateApr 13, 1982
Priority date
Expiry dateAug 14, 1999

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/2982
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A free-flowing, dry powder composition comprising vermiculite lamellae (delaminated vermiculite); preferably the composition contains a solid particulate additive such as magnesium oxide.

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