Liquid sustained release composition
Patent 4988679 Issued on January 29, 1991. Estimated Expiration Date: 
June 19, 2009. 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.
June 19, 2009. 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 ReferencesHydrocolloid containing liquid carrier for a diagnostic or therapeutic agent Whipped gel composition Aerosol foam Ingestible aggregate and delivery system prepared therefrom Ingestible aggregate and delivery system prepared therefrom Aerosol foam with adsorbate and container containing same Patent #: 4889709 InventorsApplicationNo. 367851 filed on 06/19/1989US Classes:514/53, Dissacharide514/54, Polysaccharide514/163, With carboxylic acid, ester or metal salt thereof514/197, 6-position substituent contains carbocyclic ring514/263.34, Chalcogen bonded directly to the 2-and 6- positions of the purine ring system (e.g., theophylline, etc.)514/289, Two of the cyclos share at least three ring members (i.e., bridged) (e.g., morphinans, etc.)514/574, Polycarboxylic acid or salt thereof514/630, A ring or polycyclo ring system in a substituent E is attached indirectly to the carboxamide nitrogen or to an amino nitrogen in substituent E by acyclic nonionic bonding514/769, DESIGNATED INORGANIC NONACTIVE INGREDIENT OR ELEMENTAL MATERIAL OTHER THAN WATER514/770, Siliceous or calcareous material (e.g., clay, earth, etc.)514/779, Algin or derivative514/786GlycerideExaminersPrimary: Waddell, Frederick E.Attorney, Agent or FirmInternational ClassesA61K 031/715A61K 047/00 A61K 031/61 AbstractThere is provided an orally ingestible liquid composition for suspending therein an orally administrable pharmaceutically active composition releasable over an extended period of time comprises triglyceride of a medium chain length alkanoic acid or distilled acetylated monoglycerides, a liquid, high HLB polyglyceryl ester, and colloidal silicon dioxide together with a material soluble or dispersible therein and capable of being insolubilized by a pharmaceutically acceptable polyvalent cation and a solid pharmaceutically acceptable salt containing the cation required therefore. Sustained release compositions based thereon containing pharmaceutically active agents are also disclosed.Field of SearchDESIGNATED INORGANIC NONACTIVE INGREDIENT OR ELEMENTAL MATERIAL OTHER THAN WATERSiliceous or calcareous material (e.g., clay, earth, etc.) Algin or derivative Glyceride 6-position substituent contains carbocyclic ring Two of the cyclos share at least three ring members (i.e., bridged) (e.g., morphinans, etc.) A ring or polycyclo ring system in a substituent E is attached indirectly to the carboxamide nitrogen or to an amino nitrogen in substituent E by acyclic nonionic bonding Polycarboxylic acid or salt thereof Dissacharide Polysaccharide With carboxylic acid, ester or metal salt thereof | |
