Patent · US Active

Chitosan beads and filler comprising such beads

US8865879B2 · kind B2 · utility

0Cited by

0References

4Claims

0Family size

Assignee

Merz Pharma GmbH & Co. KGaA · DE

Inventors

Kevin Kiehm · Frankfurt am Main, DE
Bernhard Hauptmeier · Gelnhausen, DE
Peter Boderke · Schwalbach, DE

Key dates

Filing date	Apr 7, 2011
Grant date	Oct 21, 2014
Priority date	—
Expiry date	Apr 7, 2031

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/2982
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The present invention pertains to chitosan beads consisting of chitosan cross-linked with citrate ions. The present invention furthermore pertains to a filler comprising such chitosan-citrate beads. In one embodiment of the instant invention the filler is a dermal filler. In one further embodiment of the present invention the dermal filler is for the treatment of wrinkles and/or folds. In another embodiment of the instant invention the filler is for use in the treatment of a medical condition. The filler provided in the present invention may further comprise one or more active pharmaceutical ingredients. Further, the present invention pertains to a process for preparing the filler as claimed herein.

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