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:
Aug. 03, 1976
Filed:
Nov. 14, 1974
Applicant:
Inventor:
Brian Arthur Head, Chatham, EN;
Assignee:
Whatman Reeve Angel Limited, Maidstone, EN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
55 97 ; 55524 ; 55527 ; 156329 ; 210504 ; 210505 ; 210509 ;
Abstract
A filter tube, which filter tube comprises a mass of interrelated nonwoven glass fibers, the fibers having a diameter of from about 0.001 to about 10 microns, the fibers bonded at the junctions of the fiber crossovers with a hardened silicone resin bonding agent, the fibers interrelated to form a semirigid mass of desired porosity suitable for use as a filter for gases or liquids.