Patent · US Expired

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

US5476843A · kind A · utility

1Cited by

5References

5Claims

0Family size

Assignee

Roehm Pharma GmbH · DE

Inventors

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

Key dates

Filing date	Oct 4, 1993
Grant date	Dec 19, 1995
Priority date	—
Expiry date	Oct 4, 2013

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.