Patent · US Expired

Chiral separation media

US5154738A · kind A · utility

14Cited by
14References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 20, 1991
Grant dateOct 13, 1992
Priority date
Expiry dateAug 20, 2011

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01J20/22
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

The media is an ether derivative of cyclodextrin such as a permethylated hydroxy ether of cyclodextrin or a dialkyl trifluoroacetyl ether derivative of cyclodextrin and is used in capillary gas chromatographic columns. Particular benefit is obtained using the ether derivative of cyclodextrin in a fused silica capillary.

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