Suspension aerosol formulations
First Claim
Patent Images
1. A pharmaceutical suspension aerosol formulation comprising:
- (i) particulate drug;
(ii) 1,1,1,2,3,3,3-heptafluoropropane as propellant; and
(iii) ethanol in an amount of 5 to about 15 percent by weight, wherein the formulation contains no surfactant.
5 Assignments
0 Petitions
Accused Products
Abstract
Pharmaceutical suspension aerosol formulations containing a therapeutically effective amount of a drug and HFC 134a, HFC 227, or a mixture thereof.
-
Citations
14 Claims
-
1. A pharmaceutical suspension aerosol formulation comprising:
-
(i) particulate drug; (ii) 1,1,1,2,3,3,3-heptafluoropropane as propellant; and (iii) ethanol in an amount of 5 to about 15 percent by weight, wherein the formulation contains no surfactant. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
-
Specification