Patent · US Expired

Pillared micas

US5340657A · kind A · utility

4Cited by
6References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 26, 1992
Grant dateAug 23, 1994
Priority date
Expiry dateAug 26, 2012

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/12056
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

This invention relates to pillared micas, which comprise an active metal selected from the group consisting of Pt, Cr, Pd, It, Rh and mixtures thereof, and a first modifier metal selected from the group consisting of Sn, Ga and mixtures thereof. The mica may also be modified with a second modifier metal selected from the group consisting of alkali metals, alkaline earth metals, or rare earth metals and mixtures thereof. This invention further relates to a process for preparing such a catalyst.

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