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:
Apr. 13, 1999
Filed:
Jan. 14, 1997
Applicant:
Inventors:
Piero Andreussi, Milan, IT;
Aroldo Biggi, S. Donato Mil.se, IT;
Arturo Carrano, Vercelli, IT;
Cristina Gobbi, S. Donato Mil.se, IT;
Assignee:
Zeon Chemicals Incorporated, Louisville, KY (US);
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ;
U.S. Cl.
CPC ...
4284744 ; 4284763 ; 4284761 ; 4284769 ; 428492 ; 4284755 ; 4284758 ; 525183 ; 525 66 ; 4273722 ; 427384 ; 4273855 ; 1563071 ; 1563073 ; 156310 ; 156311 ;
Abstract
Multilayer material, essentially without adhesives between the various layers, particularly with two or three layers, consisting of at least one layer of aliphatic polyamide and at least one layer, alternating with the polyamidic layer, of vulcanized acrylic rubber, the above materials being characterized by a peeling strength (between the polyamidic layer and the vulcanized acrylic rubber layer) of more than 5 daN/cm. The process for the preparation of the above material is also described.