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Details for Patent: 3,985,868

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Details for Patent: 3,985,868

Title: Asthma treatment by inhalation of micronized N,N-diethyl-4-methyl-1-piperazinecarboxamide pamoate
Abstract:Asthma is effectively treated by inhalation of powder dispensed from an aerosol suspension of powdered N,N-diethyl-4-methyl-1-piperazinecarboxamide pamoate, which is dispersed as a fine powder, essentially below 10 microns in particle size, which gives an improved ratio of absorption in the lungs as compared to systemic absorption.
Inventor(s): Corey, Jr.; Howard Seebree (New City, NY), Barringer; William Charles (Pearl River, NY), Hansen; Lloyd Frank (Campbell Hall, NY)
Assignee: American Cyanamid Company (Stamford, CT)
Filing Date:Jan 13, 1975
Application Number:05/540,735
Claims:1. A pressurized dispenser for the treatment of asthma containing a suspension consisting essentially of an effective amount of N,N-diethyl-4-methyl-1-piperazinecarboxamide pamoate having a particle size range of 0.5 microns to 10 microns, about 5% by weight of ethanol and a propelling amount of a low boiling chlorofluoalkane in a container having a metering valve.

2. The dispenser of claim 1 in which the propellant is dichlorofluoromethane and the container is stainless steel.

3. The dispenser of claim 1 in which the propellant is dichlorofluoromethane and the container is aluminum.
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