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:
Apr. 27, 1999
Filed:
Oct. 01, 1997
David E Stark, Chapel Hill, NC (US);
Charles D Rowe, Raleigh, NC (US);
Reichhold Chemicals, Inc., Durham, NC (US);
Abstract
The present invention provides a repulpable moisture vapor barrier. The moisture vapor barrier comprises a resin latex and a hydrophobic component having a crystalline platelet structure. Suitable resin latexes include polystyrene, styrene-acrylonitrile, styrene-acrylonitrile-butadiene, styrene acrylates, styrene-butadiene, carboxylated styrene butadiene, polyvinyl chloride, polyvinyl acetate, waterborne polyurethanes, alkyl acrylates, polyvinylidene chloride, ethyl vinyl chloride, and copolymers and terpolymers thereof. Preferably the hydrophobic component is suspended in means for suspending the component such as fully hydrolyzed polyvinyl alcohol.