Patent · US Expired

Layered minerals and compositions comprising the same

US5707439A · kind A · utility

88Cited by
6References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 18, 1995
Grant dateJan 13, 1998
Priority date
Expiry dateDec 18, 2015

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC04B2103/0087
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

Novel silicate minerals that have undergone a cation exhange with at least one heteroaromatic cation comprising a positively charged organo-substituted heteroatom and/or at least one positively charged heteroatom not part of an aromatic ring with at least one bond having a bond order greater than one and compositions comprising the same are described.

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