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. 20, 1986
Filed:
Sep. 28, 1984
Applicant:
Inventor:
Thorbjorn Andersson, Sodra Sandby, SE;
Assignee:
Tetra Pak International AB, Lund, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428349 ; 428 35 ; 428511 ; 428458 ; 428461 ;
Abstract
A packing laminate for the manufacture of packing containers for edible oil must have an oil-resistant inner layer which is not affected by the oil, even during prolonged storage periods. A packing laminate meeting this condition has an extruded inner layer of two types of plastics mixed with one another, namely LLDPE and LDPE.