Disinfectant composition comprising a quaternary ammonium compound, a phenol, and formaldehyde

Publication Date

April 23, 2002

Patent Number

US4022911A

Abstract

A protective structure for use in a surgical environment includes a face shield formed as a transparent tube to extend around the wearer's head and a cloth head covering extending above and around the face shield, with a viewing aperture being formed in the head covering to extend in front of the wearer's face, and with the head covering being attached to the face shield around the viewing aperture. A support structure extends from a rear portion of the face shield to a front portion thereof, forming an air channel through which air is moved by an internal fan between an air inlet aperture in the head covering at the rear of the support structure and an air outlet at the front of the support structure above the wearer's face.

Disinfectant composition comprising a quaternary ammonium compound, a phenol, and formaldehyde