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:
Jul. 22, 2003
Filed:
Apr. 19, 1999
Karen B. Perez, Pittsford, NY (US);
ExxonMobil Oil Corporation, Fairfax, VA (US);
Abstract
The invention is directed to an oriented multi-layer polymer film with a core including a thermoplastic polypropylene matrix material. The core is substantially free of cavitations, voids, and fillers. Oriented multi-layer polymer films of the present invention include at least one opaque thermoplastic polymer layer on at least one side of the core which contains an opacifying pigment and at least one thermoplastic polymer skin layer on an outer most side of one of the opaque layer or the core. The film can be economically made, is from about 0.450 mil. to about 2 mils. thick and allows improved processing characteristics such as heat sealing, machinability, while also providing high whiteness, strength and stiffness.