Medicament inhalation device and formulation
Patent 5538999 Issued on July 23, 1996. Estimated Expiration Date: 
May 23, 2015. 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.
May 23, 2015. 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 References 2587215 2622594 3027897 3362405 3464469 Sodium chromoglycate inhalation medicament Device for the administration of powders Inhalers and insufflators having a cutting means Apparatus for the inhalation of medicinal agents Inhaler InventorsAssigneeApplicationNo. 447949 filed on 05/23/1995US Classes:514/653, Hydroxy, bonded directly to carbon, attached directly or indirectly to the acyclic carbon or chain by acyclic nonionic bonding (e.g., beta hydroxy phenethylamines, etc.)424/46, Powder or dust containing424/464, Tablets, lozenges, or pills424/489, Particulate form (e.g., powders, granules, beads, microcapsules, and pellets)514/291, Plural hetero atoms in the tricyclo ring system514/457, Coumarins (including hydrogenated)514/826, ASTHMA564/361, Plural hydroxy groups bonded directly to the aryl ring or ring system (H of -OH may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal)564/365Hydroxy or ether oxygen bonded directly to the aryl ring or ring system (H of -OH may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal)ExaminersPrimary: O'Sullivan, PeterAttorney, Agent or FirmForeign Patent References
International ClassA61K 031/135Foreign Application Priority Data1989-05-31 GBAbstractA compacted body of powdered medicament for use in a device for the administration by inhalation of a medicament in powdered form. The compacted body is made by compressing a loose powder containing the medicament in powdered form under pressure to create sufficient structural integrity in the body to permit metering of several unit doses of the medicament by abrasion of the body in the device.Other References
Field of SearchTablets, lozenges, or pillsPowder or dust containing Particulate form (e.g., powders, granules, beads, microcapsules, and pellets) Plural hetero atoms in the tricyclo ring system Coumarins (including hydrogenated) Hydroxy, bonded directly to carbon, attached directly or indirectly to the acyclic carbon or chain by acyclic nonionic bonding (e.g., beta hydroxy phenethylamines, etc.) ASTHMA Plural hydroxy groups bonded directly to the aryl ring or ring system (H of -OH may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal) Hydroxy or ether oxygen bonded directly to the aryl ring or ring system (H of -OH may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal) |
| ||||||||||||||
