Patent Number: 8,815,325

Title: Medicinal inhalation device

Abstract: A medical inhalation device or a component thereof having a diamond-like glass coating comprising hydrogen and on a hydrogen free basis about 20 to about 40 atomic percent of silicon, greater than 39 atomic percent of carbon, and less than 33 down to and including zero atomic percent of oxygen.

Inventors: David; Moses M. (Woodbury, MN), Hanson; Daniel R. (New Richmond, WI), Jinks; Philip A. (Loughborough, GB), Blatchford; Christopher G. (Loughborough, GB), Lietzau; Vicki M. (Hutchinson, MN), Kelly; Jean A. (Woodbury, MN), Iyer; Suresh (Woodbury, MN)

Assignee: 3M Innovative Properties Company

International Classification: A61M 15/00 (20060101); B05D 1/00 (20060101)

Expiration Date: 8/26/12018