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:
May. 10, 1984
Applicant:
Inventor:
Julian H Schoenberg, Greenville, SC (US);
Assignee:
W. R. Grace & Co., Cryovac Div., Duncan, SC (US);
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428339 ; 428516 ; 428520 ; 428349 ; 428354 ;
Abstract
A three layered thermoplastic film having a desired combination of physical characteristics is disclosed. The film may be utilized to form storm windows. A preferred embodiment of the film comprises a core layer consisting essentially of a linear low density polyethylene and two surface layers comprising a four component blend of (1) a linear low density polyethylene, (2) a linear medium density polyethylene (3) a copolymer of ethylene and vinyl acetate and (4) one or more light stabilizers.