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. 28, 1991
Filed:
Dec. 22, 1989
Yoshiaki Momose, Hadano, JP;
JSP Corporation, , JP;
Abstract
A composite, thermoplastic resin film comprises a matrix in the form of a film and formed of a first thermoplastic resin, and a plurality of substantially continuous tapes dispersed within the matrix film with the plane of each of the tapes being substantially parallel with the plane of the matrix film and each formed of a second thermoplastic resin different from the first resin, a portion of the tapes having a width of at least 200 times the thickness of the composite film so that the composite film has an oxygen permeation rate of 0.12-900 cc/m.sup.2.day.atm at a temperature of 20.degree. C. and a relative humidity of 65%. The thermoplastic resin film may be obtained by mixing melts of the first and second resins using a static mixer, and extruding the mixed melt through a die. The film has an excellent gas barrier property and is suitably used for the preparation of cushioning materials.