Method for drying microspheres

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Title: Method for drying microspheres
United States Patent: 6,080,429
Inventors: Cleland; Jeffrey L. (San Carlos, CA); Jones; Andrew J. S. (San Mateo, CA); Powell; Michael Frank (San Francisco, CA)
Assignee: Genentech, Inc. (South San Francisco, CA)
Appl. No.: 966850
Filed: November 7, 1997
Abstract
A method for drying microspheres in a fluidized bed is provided, along with a composition comprising microspheres dried by that method.