The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 12, 2001
Filed:
Jan. 28, 1999
Michiel Mary Van Oort, Durham, NC (US);
Mark Joseph Sacchetti, Raleigh, NC (US);
Glaxo Wellcome Inc., Research Triangle Park, NC (US);
Abstract
A medicament carrier (,) having a first and a second spaced apart screen (,) each of which has surfaces (,B,,B) defining a plurality of interstices (,A,,A). The carrier (,) contains powdered agglomerated medicament particles (SM) loaded onto the first screen surface (,B) such that the interstices (,A) of the first screen (,) are at least partially open and free of the agglomerated medicament particles (SM). When an air stream is provided to the carrier to entrain the agglomerated powdered medicament particles (SM) and move them from the first screen (,) through the interstices (,A) of the second screen (,), the agglomerated powdered medicament particles (SM) are sheared by air flow gradients created by the first and second screens (,) and by contact with the surface (,B) of the second screen (,) to create particles of respirable particle size range. The carrier (,) can be used in a dry powder inhalator device.