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. 15, 1994
Filed:
Aug. 13, 1991
Applicant:
Inventors:
Catia Bastioli, Novara, IT;
Vittorio Bellotti, Fontaneto D'Agogna, IT;
Giancarlo Romano, Novara, IT;
Assignee:
Novamont S.P.A., Milan, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; C08L / ; C08L / ; C08L / ;
U.S. Cl.
CPC ...
524 52 ; 523105 ; 523125 ; 524 47 ; 524 51 ; 524 53 ; 524215 ; 524216 ; 604370 ; 604372 ;
Abstract
An absorbent article, such as diapers and the like, comprises a liquid pervious topsheet, a liquid impervious backsheet joined with said topsheet and an absorbent core positioned between said topsheet and said backsheet, said backsheet comprising a flexible starch based film comprising starch, a synthetic thermoplastic polymer of at least one ethylenically insaturated monomer, said polymer having repeating units provided with at least a polar group, wherein the starch and the polymer form an at least partially interpenetrated network, and moisture.