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:
Aug. 17, 1999
Filed:
Mar. 24, 1998
Irene Greenwald Plotzker, Wilmington, DE (US);
E.I. du Pont de Nemours and Company, Wilmington, DE (US);
Abstract
A laminar shaped article which exhibits substantial improvement in the fluid barrier properties over the laminate of the prior art. The article comprises a heterogeneous blend of: (a) polyolefin with (b) a melt blend of a nylon and a polyvinyl alcohol component, and a compatibilizer(c), which is either: i) a mixture of two different alkylcarboxyl-substituted polyolefins which serves as a compatibilizer; or ii) a small amount of alkylcarboxyl-substituted polyolefin with a small amount of grafted maleic anhydride moieties; or iii) a high weight percent of alkylcarboxyl-substituted polyolefin with a high graft level of grafted maleic anhydride moieties.