Patent · US Expired

Stable topical formulations with good active ingredient release characteristics, containing at least one lipophilized macrolide antibiotic

US5559098A · kind A · utility

2Cited by

6References

6Claims

0Family size

Assignee

Roehm Pharma GmbH · DE

Inventors

Wolfgang Wohlrab · Bodenwerder, DE
Reinhard Neubert · Bodenwerder, DE
Sybille Matschiner · Bodenwerder, DE
Katrin Wellner · Bodenwerder, DE

Key dates

Filing date	Jan 30, 1995
Grant date	Sep 24, 1996
Priority date	—
Expiry date	Jan 30, 2015

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61P31/04
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

A stable topical formulation with good active ingredient release characteristics, comprising at least one macrolide antibiotic which is lipophilized with at least one former of oppositely charged ions which is selected from the group consisting of alkyl sulfates, alkylsulfonates, and alkyl salicylates, RX, where R represents a linear and/or branched alkyl group with 6-32 C atoms, and X represents a sulfate, sulfonate, or salicylate group.

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