Patent · US Expired

Separation agent

US4619970A · kind A · utility

20Cited by
3References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 7, 1985
Grant dateOct 28, 1986
Priority date
Expiry dateMar 7, 2005

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01J2220/58
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A chromatographic resolving agent made of silica gel chemically bonded with an optically active polymer having either an asymmetric carbon atom in the main chain or molecular dissymmetry causing a helical structure of the main chain thereof.

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