Patent · US Expired

Optically active sulphur-containing amino acid derivatives, their preparation, their polymerisation to give optically active polymers and the use thereof

US5347042A · kind A · utility

6Cited by

0References

5Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Michael Grosse-Bley · Neunburg vorm Wald, DE
Bruno Bomer · Bensberg, DE
Rolf Grosser · Schwandorf, DE
Dieter Arlt · Cologne, DE
Walter Lange · Cologne, DE

Key dates

Filing date	Jun 11, 1992
Grant date	Sep 13, 1994
Priority date	—
Expiry date	Jun 11, 2012

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C2602/42
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The invention relates to new optically active sulphur-containing amino acid derivatives, a process for their preparation, their polymerisation to give optically active polymers and the use of these optically active polymers as adsorbents for chromatographic separation of racemates into enantiomers.

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