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. 04, 1998
Filed:
May. 25, 1995
Applicant:
Inventor:
Walter B Mueller, Inman, SC (US);
Assignee:
W. R. Grace & Co.-Conn., Duncan, SC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ; B32B / ; B32B / ; B32B / ;
U.S. Cl.
CPC ...
428 352 ; 428141 ; 4284758 ; 4284761 ; 4284763 ; 4284769 ; 428483 ; 428517 ; 428519 ; 428520 ; 428521 ; 428522 ;
Abstract
An impact resistant film suitable for making medical solution pouches and medical drainage pouches generally includes an interior layer of a polyolefin such as an ethylene vinyl acetate copolymer, ethylene methyl acrylate copolymer, very low density polyethylene or blends thereof; and outer layers of a high melt flow ethylene propylene copolymer. At least one of the outer layers also includes an elastomer such as a styrene ethylene butylene styrene copolymer. A flexible copolyester can be substituted for one of the outer high melt flow polymer layers. Additional interior layers can also be incorporated in the film structure.