Patent · US Expired

Crystal modification of lipoic acid

US6441024B1 · kind B1 · utility

12Cited by

5References

8Claims

0Family size

Assignee

BASF SE

Inventors

Martin Klatt · Bad Dürkheim, DE
Markus Niebel · Mannheim, DE
Joachim Paust · Schifferstadt, DE
Jens Rieger · Forchheim, DE

Key dates

Filing date	Jan 17, 2001
Grant date	Aug 27, 2002
Priority date	—
Expiry date	Jan 17, 2021

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D339/04
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

In the 2 &THgr; diffractogram of an enantiomerically pure crystalline (R)- or (S)-lipoic acid, the most intense reflection line in the range from 13° to 30° is that at 2 &THgr;=23°.

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