Compressed-gas packages using polyoxyethylene glyceryl fatty-acid esters as suspension stabilizers and valve lubricants
Patent 5536444 Issued on July 16, 1996. Estimated Expiration Date: 
October 13, 2013. 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.
October 13, 2013. 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.InventorsAssigneeApplicationNo. 135356 filed on 10/13/1993US Classes:424/45, Organic pressurized fluid424/47, Topical live body grooming or adorning aid (e.g., hair spray, antiperspirant, etc.)508/510, Non-carboxylate oxygen attached indirectly to the -C(=O)O- groups by nonionic bonding516/8The continuous phase contains a propellant derived from non-gaseous phase (e.g., liquified propellant, such as hydrocarbon, halogenated hydrocarbon, dimethylether; sorbed or dissolved CO2)ExaminersPrimary: Wu, Shean C.Attorney, Agent or FirmForeign Patent References
International ClassesC09K 003/30A61K 009/00 Foreign Application Priority Data1993-07-08 DEAbstractAerosol compressed-gas packages for the administration of biologically active substances with novel suspension stabilizers and propellants which are not harmful to ozone. | |
