Dispersing agents for use with hydrofluoroalkane propellants
March 8, 2014. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References6-Acyloxy-1,4,6-pregnatrienes, their use as anti-inflammatory agents, methods for their manufacture, and 6-oxo-1,4-pregnadiene intermediates 3,20-Dioxo-1,4-pregnadiene-17-ol 17-aromatic heterocycle carboxylates Method of administering vitamins Mousse product Leukotriene antagonists Non-ozone depleting, non-flammable tire sealer and inflater composition Azeotropic mixtures of dimethyl ether and of 1,1,1,2-tetrafluoroethane and their use Hair treatment composition Patent #: 5266308 InventorsAssigneeApplicationNo. 208164 filed on 03/08/1994US Classes:514/510, Polycyclo ring system424/43, EFFERVESCENT OR PRESSURIZED FLUID CONTAINING424/45, Organic pressurized fluid424/46, Powder or dust containing514/458, Tocopherols (e.g., vitamin E, etc.)514/772, DESIGNATED ORGANIC NONACTIVE INGREDIENT CONTAINING OTHER THAN HYDROCARBON514/786, Glyceride514/975CHARACTERIZED BY THE DESIGNATED SURFACTANT USEDExaminersPrimary: Griffin, Ronald W.Attorney, Agent or FirmForeign Patent References
International ClassA61K 031/21AbstractVitamin E acetate, C3 -linked triesters, glycerin, t-butanol, and transesterified oil/polyethylene glycol are effective dispersing agents for use with hydrofluoroalkanes. Effective amounts of the above are effective in suspending medicaments which are useful in inhalation aerosols, and especially meter-dose inhalers. | |
