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:
Feb. 09, 1993
Filed:
May. 28, 1991
Applicant:
Inventors:
Karl Stenger, Ruedesheim, DE;
Marliese Saal, Heidesheim, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16L / ; B65D / ;
U.S. Cl.
CPC ...
428 348 ; 4284758 ; 4284761 ; 428 357 ; 428 366 ; 1381181 ;
Abstract
A polyamide-based multilayered tubular packaging casing for pasty matter, in particular a synthetic sausage casing, is disclosed having an outer layer comprised of aliphatic polyamide, aliphatic copolyamide or a polymer blend comprising at least one of these compounds, an intermediate layer that is impermeable to water vapor and comprised of a polyolefin and an adhesion-promoting agent, and an inner layer that is preferably impermeable to oxygen and comprised of aliphatic and/or partially aromatic polyamides and/or aliphatic and/or partially aromatic copolyamides.