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.:

US 7005169 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 28, 2006

Filed:

Jan. 20, 2004
Applicants:

Oliver Klein, Mainz, DE;

Herbert Peiffer, Mainz, DE;

Gottfried Hilkert, Saulheim, DE;

Inventors:

Oliver Klein, Mainz, DE;

Herbert Peiffer, Mainz, DE;

Gottfried Hilkert, Saulheim, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 27/08 (2006.01); B32B 27/30 (2006.01); B32B 27/34 (2006.01); B32B 27/36 (2006.01); B32B 31/30 (2006.01);
U.S. Cl.
CPC ...
Abstract

Biaxially oriented polyester films which have a polyester-containing base layer (B) which additionally comprises poly(m-xyleneadipamide) and has been provided on at least one side with an overlayer (A) which has been coated with a barrier layer (D), said barrier layer comprising polyvinyl alcohol and a copolymer of maleic acid and acrylic acid, feature improved optical properties such as high gloss and low opacity and very good barrier properties, in particular toward the passage of oxygen, and, as a consequence of their insensitivity toward moisture, are suitable as a packaging material for foods or other consumable items.


Find Patent Forward Citations

Klein, Oliver. (2006). Polyester film having improved oxygen barrier, comprising poly(m-xyleneadipamide) and also an overlayer and a barrier coating, process for its production and its use (U.S. Patent No. 7005169). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7005169

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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