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:
Sep. 04, 2007
Filed:
May. 13, 2005
Jianzhong Lou, Oak Ridge, NC (US);
Arvind Vyas Harinath, Greensboro, NC (US);
Shamsuddin Ilias, Greensboro, NC (US);
Jag Sankar, Greensboro, NC (US);
Jianzhong Lou, Oak Ridge, NC (US);
Arvind Vyas Harinath, Greensboro, NC (US);
Shamsuddin Ilias, Greensboro, NC (US);
Jag Sankar, Greensboro, NC (US);
North Carolina Agricultural and Technical State University, Greensboro, NC (US);
Abstract
A semipermeable separation element includes (a) a porous substrate, and (b) a film formed on the microporous substrate; the film comprising a silicone elastomer and a nanoparticle filler. The film preferably has an oxygen enrichment selectivity of at least 30, or even 60, over nitrogen. Methods of making and using the same and filter cartridges incorporating the same are also described.