Patent · US Active

Polymorphic forms of oseltamivir phosphate

US8334319B2 · kind B2 · utility

0Cited by

1References

9Claims

0Family size

Assignee

Roche Palo Alto LLC · US

Inventors

Pierre Goldbach · Rixheim, FR
Olaf Grassmann · Soest, DE
Ines Sauer · Mannheim, DE

Key dates

Filing date	Dec 19, 2008
Grant date	Dec 18, 2012
Priority date	—
Expiry date	Nov 24, 2030

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C231/22
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention relates to polymorphic forms of (3R,4R,5S)-5-amino-4-acetylamino-3-(1-ethyl-propoxy)-cyclohex-1-ene-carboxylic acid ethyl ester phosphate, which is a potent inhibitor of viral neuraminidase.

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