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:
Aug. 20, 1991
Filed:
Oct. 12, 1989
Applicant:
Inventors:
Colin D Parnell, Cellina Di Leggiuno, IT;
Tito A Fornasiero, Rho Milan, IT;
Assignee:
W. R. Grace & Co.-Conn., Duncan, SC (US);
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428 354 ; 428349 ; 428516 ; 428518 ; 428520 ;
Abstract
A multi-layer thermoplastic shrinkable film with improved processing properties comprising at least a heat sealing VLDPE layer, a core oxygen barrier layer and an outer thermoplastic layer, and also comprising interposed between the barrier and the outer thermoplastic layer a further intermediate VLDPE layer.
Parnell, Colin. (1991). Multi-layer film structure for packaging and bags made therefrom (U.S. Patent No. 5041316). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5041316
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile