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Last Updated: December 12, 2025

Claims for Patent: 3,634,582

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Summary for Patent: 3,634,582

Title:	Pharmaceutical compositions
Abstract:	PHARMACEUTICAL COMPOSITIONS, USEFUL FOR MEDICATION BY ORAL INHALATION, AS FOR EXAMPLE AS ANAPHYLACTIC AGENTS IN THE TREATMENT OF DISORDERS OF THE BRONCHIAL TRACT, E.G. ASTHMA SUCH AS SPECIFIC ALLERGIC ASTHMA, AS MUCOLYTICS IN THE TREATMENT OF COLDS AND THE LIKE WHICH ENGENDER MUCUS IN THE RESPIRATORY TRACT, ETC., ARE EFFECTIVE IF OF CONTROLLED PARTICLE SIZE FAVORING MAXIMUM PENETRATION INTO THE LUNGS. THE NEW COMPOSITIONS COMPRISE A POWDERED MEDICAMENT OF A PARTICLE SIZE IN THE RANGE OF 0.01 TO 10 MICRONS AND A SOLID PHARMACEUTICALLY ACCEPTABLE WATER SOLUBLE CARRIER OF A PARTICLE SIZE OF 30 TO 80 MICRONS.
Inventor(s):	Philip Saxton Hartley, Stephen Raymond Gunning
Assignee:	Fisons Pharmaceuticals Ltd
Application Number:	US748937A
Patent Claims:

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