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. 23, 2003
Filed:
Dec. 17, 1999
Applicant:
Inventor:
Bakhtiar Alam Shah, Elkton, MD (US);
Assignee:
Basell Poliolefine Italia S.p.A., Milan, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 2/732 ;
U.S. Cl.
CPC ...
B32B 2/732 ;
Abstract
A multi-layer sheet made from olefin polymer materials includes (1) at least one outer layer of (a) a propylene polymer, (b) graft copolymer comprising a backbone of a propylene polymer material, to which is graft polymerized a vinyl monomer, either (a) or (b) optionally containing a nucleating agent, or (c) an olefin polymer composition, and (2) at least one layer made from alternating layers of a propylene polymer material and glass fiber mat.