US 5,686,083 AGranted

Compositions for treating corns and calluses

AssigneeSchering-Plough Healthcare Products, Inc.

InventorThomas W. Chamness

Life of this patent

Estimating the term…

Abstract

Topical compositions for the treatment of corns and calluses comprising a 4 carbon .alpha.-keto acid and a pharmaceutically acceptable carrier, are described.

Claims8

Dependent claims

A composition comprising a 4 carbon .alpha.-keto acid in a range of about 2 to about 64% (weight/weight) and flexible collodion, USP.

Dependencies are inferred from the claim text.

Facts

Application: 08/514,444Filed 11 Aug 1995 · continuation
Priority: 8 Dec 1994
Granted: 11 Nov 1997
Term ends: Not estimatedThe source records don’t support an estimate.

Classification6 codes

A61K 8/365
Carboxylic acids; Salts or anhydrides thereof: hydroxycarboxylic acids; Ketocarboxylic acids
A61K 31/19
Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids: carboxylic acids, e.g. valproic acid
A61Q 19/00
Preparations for care of the skin
A61K 2800/28
Chemical, physico-chemical or functional or structural properties of the composition as a whole: rubbing or scrubbing compositions; Peeling or…

Family

Serial351,967Parent of this continuation · filed 8 Dec 1994
US 5,686,083 AThis patent

From the US filing history. Foreign family members aren’t listed.

Timeline

Citations

Open elsewhere

patentgrep

Loading patent…

patentgrepSearch patents

Back to results