Patent · US Expired

Vitamin D derivatives with C-25 substituents, process for their preparation, intermediate products and their use in preparing medicaments

US6372731B1 · kind B1 · utility

6Cited by

1References

6Claims

0Family size

Assignee

SCHERING CORPORATION · US

Inventors

Gerald Kirsch · Berlin, DE
Andreas Steinmeyer · Berlin, DE
Gunter Neef · Berlin, DE
Katica Schwarz · Berlin, DE
Ruth Thieroff-Ekerdt · Concord, US
Herbert Wiesinger · Berlin, DE
Andreas Menrad · Berlin, DE
Martin Haberey · Berlin, DE

Key dates

Filing date	Mar 31, 1998
Grant date	Apr 16, 2002
Priority date	—
Expiry date	Mar 31, 2018

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61P43/00
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

A vitamin D derivative and its uses with substituents at C-25 of general formula I

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