Patent · US Expired

Stable extract from Hypericum perforatum L., method for the production thereof and its use as a topical medicament

US7166310B2 · kind B2 · utility

1Cited by

7References

24Claims

0Family size

Assignee

DR. WILLMAR SCHWABE GMBH & CO. KG · DE

Inventors

Egon Koch · Karlsruhe, DE
Clemens Erdelmeier · Karlsruhe, DE
Joachim Herrmann · Diedorf, DE

Key dates

Filing date	Dec 21, 2001
Grant date	Jan 23, 2007
Priority date	—
Expiry date	Nov 14, 2022

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C45/78
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The invention relates to an improved and stable (i.e. color-stable and, optionally, stable with regard to its hyperforin content) extract from the overground parts of Hypericum perforatum L., to a method for the preparation thereof, and to pharmaceutical preparations and topical medicaments that contain this extract; in particular, gels for treating skin and mucous membrane irritations and disorders such as acne, atopic dermatitis, neuro-dermatitis, psoriasis, stomatitis, herpes zoster, herpes labialis (lip herpes), warts, varicella (chicken-pox), sores, burns and other bacterial and viral skin and mucous membrane infections and skin disorders that are accompanied by cell proliferation and inflammation.

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