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. 17, 2003
Filed:
Feb. 07, 2001
Applicant:
Inventors:
I-fan Wang, San Diego, CA (US);
Jeff Palpallatoc, San Diego, CA (US);
Assignee:
Pall Corporation, East Hills, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 1/900 ; B01D 5/322 ;
U.S. Cl.
CPC ...
B01D 1/900 ; B01D 5/322 ;
Abstract
Oleophobic and hydrophobic filters for filter venting applications are made by forming a fluorosulfone coating on the surface of a filtration substrate. The filters have high water penetration pressures and high air permeabilities. The coatings are formed by grafting a fluorosulfone oligomer to a polymeric substrate.
Wang, I-fan. (2003). Oleophobic membrane materials by oligomer polymerization for filter venting applications (U.S. Patent No. 6579342). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6579342
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile