Patent · US Active

3-hydroxy-6-phenylphenanthridines as PDE4 inhibitors

US8202880B2 · kind B2 · utility

0Cited by

8References

16Claims

0Family size

Assignee

NYCOMED GMBH · DE

Inventors

Ulrich Kautz · Allensbach, DE
Beate Schmidt · Allensbach, DE

Key dates

Filing date	Aug 27, 2008
Grant date	Jun 19, 2012
Priority date	—
Expiry date	Oct 1, 2030

Classification

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

Abstract

The compounds of formula Iin which R1, R2, R3, R31, R4, R5, R6 and R7 have the meanings as indicated in the description, are novel effective PDE4 inhibitors.

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