Abstract: A composition is disclosed comprising a polymer and a surfactant in a solvent exhibiting a common solubility for the polymer and the surfactant. The composition provides a dosage form for administering a drug over time.
Type:
Grant
Filed:
November 22, 2000
Date of Patent:
June 13, 2006
Assignee:
Alza Corporation
Inventors:
David E. Edgren, Shu Li, Patrick S.-L. Wong, Gurdish Bhatti, Liang-Chang Dong, Si-Hong Yum
Abstract: Disclosed is an apparatus for detecting near-visible frequency light comprising a sensor which includes a near-visible to visible light conversion phosphor defining an active area and a covering having a thickness, the covering adapted to substantially protect the phosphor from degradation. The phosphor extends to within about a first distance of a flush portion of a first edge, the first distance corresponding approximately to the thickness of the covering. In an alternative embodiment, the active area comprises an aperture.
Type:
Grant
Filed:
February 4, 1999
Date of Patent:
January 22, 2002
Assignee:
New Focus
Inventors:
Katharine E. Youden, David F. Arnone, Mona Wallace, Robert Shine