Patent · US Expired

Optical resolution with tribenzoyl-b-1,4-chitosan

US4931184A · kind A · utility

3Cited by
12References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 28, 1988
Grant dateJun 5, 1990
Priority date
Expiry dateOct 28, 2008

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01J2220/86
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A separation agent essentially comprises an aliphatic or aromatic ester of a polysaccharide, except for cellulose acetate and an aromatic ester of cellulose. It is useful for separation of various chemical substances, especially optical resolution of optical isomers.

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