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.

Date of Patent:
Apr. 30, 2013

Filed:

Oct. 25, 2007
Applicants:

Ioannis V Bletsos, Midlothian, VA (US);

Edmee Lydie Marie-jeanne Devaquet, Howald, LU;

Michael G Mikhael, Tucson, AZ (US);

Jose Manuel Rodrigues-parada, Hockess, DE (US);

Angelo Yializis, Tucson, AZ (US);

Joseph Anthony King, Jr., Midlothian, VA (US);

Inventors:

Ioannis V Bletsos, Midlothian, VA (US);

Edmee Lydie Marie-Jeanne Devaquet, Howald, LU;

Michael G Mikhael, Tucson, AZ (US);

Jose Manuel Rodrigues-Parada, Hockess, DE (US);

Angelo Yializis, Tucson, AZ (US);

Joseph Anthony King, Jr., Midlothian, VA (US);

Assignee:

E I du Pont de Nemours and Company, Wilmington, DE (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 3/24 (2006.01);
U.S. Cl.
CPC ...
Abstract

A moisture vapor permeable metalized composite sheet is formed by coating a moisture vapor permeable sheet with at least one metal layer and at least one outer organic coating layer. The moisture vapor permeability of the composite sheet is at least about 80% of the moisture vapor permeability of the starting sheet. The composite sheet provides a barrier to air and liquid water infiltration while having high moisture vapor permeability and good thermal barrier properties. The composite sheet material is suitable for use as a building construction wrap such as roof lining and house wrap.


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