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:
Oct. 12, 1999
Filed:
Sep. 08, 1997
Applicant:
Inventor:
Darrell Heine, Ennis, TX (US);
Assignee:
Elk Corporation of Dallas, Dallas, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ;
U.S. Cl.
CPC ...
524 13 ; 524 14 ; 524847 ; 442173 ; 442176 ; 442180 ;
Abstract
A structural mat matrix comprises (a) a substrate which consists essentially of from 80% to 99% by weight fiberglass fibers and from 20% to 1% by weight wood pulp and (b) a binder which consists essentially of from 80% to 95% by weight urea formaldehyde and from 20% to 5% by weight acrylic copolymer. The binder bonds the substrate fiberglass fibers and wood pulp together and comprises from 5% to 15% by weight of said matrix, preferably 10% by weight of the matrix.