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:
Jan. 28, 1986
Filed:
Apr. 05, 1984
Applicant:
Inventor:
Marcel Bernhard, Selestat, FR;
Assignee:
Societe Alsacienne d'Aluminium, Saint Julien en Genevoix, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ;
U.S. Cl.
CPC ...
428461 ; 428523 ;
Abstract
The flexible foil material or laminate of the invention comprises a synthetic material layer disposed between two thin aluminum foils and is characterized in that the synthetic material is amorphous polypropylene or a composition containing amorphous polypropylene. Preferably, the composition comprises amorphous polypropylene, a soft microcrystalline wax and/or terpolymer:ethylene-acrylic acid-acrylic acid ester. The material of the invention is perfectly suitable for manufacturing wine bottle caps as well as wrappers for food products such as cheese.