Invention Grant
- Patent Title: Method of filtering air
- Patent Title (中): 空气过滤方法
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Application No.: US14273611Application Date: 2014-05-09
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Publication No.: US09573088B2Publication Date: 2017-02-21
- Inventor: Dana Paul Gruenbacher , Steven James Schroeck , Jessica Elizabeth Leon , Paolo Dal Bo , Uwe Schober
- Applicant: The Procter & Gamble Company
- Applicant Address: US OH Cincinnati
- Assignee: The Procter & Gamble Company
- Current Assignee: The Procter & Gamble Company
- Current Assignee Address: US OH Cincinnati
- Agent Abbey A. Lopez; Amy I. Ahn-Roll
- Main IPC: B01D46/02
- IPC: B01D46/02 ; B01D46/42 ; A47L5/22 ; A47L5/36 ; A47L9/10 ; A47L9/16 ; B01D46/44 ; F24F13/28 ; F24F3/16 ; F24F1/00
Abstract:
A method for filtering air of about 1 to about 10 microns particles at a greater than 40% filtering efficiency is provided. The method includes providing an air filtering device having a base, a fan functionally attached to the base, an air filter releasably attached to the base, and a substantially air impermeable outer sleeve; and activating the device for at least about 20 minutes.
Public/Granted literature
- US20140331859A1 METHOD OF FILTERING AIR Public/Granted day:2014-11-13
Information query
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