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. 25, 1987
Filed:
Oct. 08, 1986
Applicant:
Inventors:
Michael A Smoot, Oakmont, PA (US);
Herbert W Barch, Natrona Heights, PA (US);
Balbhadra Das, Allison Park, PA (US);
Assignee:
PPG Industries, Inc., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; B01D / ; B01D / ; C02F / ;
U.S. Cl.
CPC ...
428 77 ; 55 16 ; 55158 ; 55527 ; 2103211 ; 2103212 ; 2103213 ; 2104332 ; 21050023 ; 21050026 ; 428195 ; 428210 ; 428288 ; 428294 ; 4283115 ; 4283166 ; 4283173 ;
Abstract
A novel mat composite is shown in which a plurality of glass fibers, strands or rovings are carried on a fluid permeable sheet with two generally parallel ribbons of mastic on each side of the sheet inboard of the edges affixing the fibers, strands or rovings to the sheet and maintaining the fibers, strands and rovings generally parallel to each other.