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:
Mar. 10, 2009
Filed:
Jan. 24, 2006
Applicant:
John Richard Boylan, Bethlehem, PA (US);
Inventor:
John Richard Boylan, Bethlehem, PA (US);
Assignee:
Wacker ChemicalCorporation, Adrian, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 31/04 (2006.01); C08L 91/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A waterborne hydrophobic barrier coating formulation comprising a blend of a vinyl acetate-ethylene (VAE) polymer emulsion and a paraffin wax emulsion, wherein a dried coating of the blend on a substrate, such as a nonwoven web, an absorbent pad, or a textile, and dried, has a hydrostatic head barrier sufficient to prevent passage of fluids but allow passage of water vapor through it. A multi-layer material comprising at least one layer of a nonwoven web, an absorbent pad, or a textile, and at least one layer of a blend of a VAE polymer emulsion and paraffin wax emulsion.