Drug – bio-affecting and body treating compositions – Effervescent or pressurized fluid containing – Organic pressurized fluid
Reexamination Certificate
2006-07-04
2006-07-04
Padmanabhan, Sceeni (Department: 1616)
Drug, bio-affecting and body treating compositions
Effervescent or pressurized fluid containing
Organic pressurized fluid
C424S046000, C424S489000, C424S499000, C514S958000, C128S200140, C128S200240
Reexamination Certificate
active
07070764
ABSTRACT:
The present invention relates to the delivery of analgesics through an inhalation route. Specifically, it relates to aerosols containing acetaminophen, orphenadrine or tramadol that are used in inhalation therapy. In a method aspect of the present invention, an analgesic is administered to a patient through an inhalation route. The method comprises: a) heating a thin layer of acetaminophen, orphenadrine or tramadol, on a solid support to form a vapor; and, b) passing air through the heated vapor to produce aerosol particles having less than 5% acetaminophen, orphenadrine or tramadol degradation products. In a kit aspect of the present invention, a kit for delivering acetaminophen, orphenadrine or tramadol through an inhalation is provided which comprises: a) a thin coating of an acetaminophen, orphenadrine or tramadol composition and b) a device for dispensing said thin coating as a condensation aerosol.
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Rabinowitz Joshua D.
Zaffaroni Alejandro C.
Alexza Pharmaceuticals, Inc.
Haghighatian Mina
Leschensky William L.
Padmanabhan Sceeni
Swanson & Bratschun LLC
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