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:
May. 08, 2007
Filed:
May. 15, 2003
Bert C. Wong, Hockessin, DE (US);
C. Anthony Smith, Vienna, WV (US);
Bert C. Wong, Hockessin, DE (US);
C. Anthony Smith, Vienna, WV (US);
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Abstract
The present invention is a laminate article comprising at least three layers of plasticized polyvinylbutyral (PVB) sheet, wherein at least one layer of the laminate is a stiff PVB sheet and at least two layers are soft PVB sheets. A laminate article of the present invention is useful for providing increased protection from damages occurring to automobiles, buildings, and windows by virtue of exposure of same to, for example, hurricane force winds, impact from debris propelled by high-force winds, or by intentional impact against windows comprising the laminates of the present invention.