The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 26, 2007
Filed:
Nov. 08, 2004
Michael Allen Bryner, Midlothian, VA (US);
Joseph Brian Hovanec, Richmond, VA (US);
David C. Jones, Midlothian, VA (US);
Hyun Sung Lim, Midlothian, VA (US);
B. Lynne Wiseman, Richmond, VA (US);
Michael Allen Bryner, Midlothian, VA (US);
Joseph Brian Hovanec, Richmond, VA (US);
David C. Jones, Midlothian, VA (US);
Hyun Sung Lim, Midlothian, VA (US);
B. Lynne Wiseman, Richmond, VA (US);
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Abstract
Filtration media are disclosed for use in high efficiency air filters for filtering particulate matter in air. The media make use of at least one layer of fibers having a diameter less than 1000 nanometers sandwiched between two scrim layers to achieve high efficiency particulate air (HEPA) filtration performance at relatively low pressure drops.