Separating with an agent comprising aliphatic ester of polysaccharide
US5041226A · kind A · utility
7Cited by
15References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 2, 1989 |
| Grant date | Aug 20, 1991 |
| Priority date | — |
| Expiry date | Nov 2, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2220/58
- 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.