Stock material or miscellaneous articles – Hollow or container type article – Nonself-supporting tubular film or bag
Patent
1988-11-17
1990-01-02
Buffalow, Edith
Stock material or miscellaneous articles
Hollow or container type article
Nonself-supporting tubular film or bag
428483, 428516, 428349, B29D 2200
Patent
active
048912530
ABSTRACT:
A flexible film suitable for medical solution pouches and parenteral materials generally includes a core layer of high density polyethylene, two intermediate layers comprising very low density polyethylene, an outer layer comprising an ethylene propylene copolymer or flexible copolyester, a sealant layer comprising a heat sealable polymeric material such as modified ethylene propylene copolymer, and two polymeric adhesive layers bonding the intermediate layers to the outer and sealant layers respectively.
REFERENCES:
patent: 4401536 (1983-08-01), Lundell et al.
patent: 4643926 (1987-02-01), Mueller
patent: 4720427 (1988-01-01), Clauson et al.
patent: 4749616 (1988-06-01), Liu et al.
patent: 4788105 (1988-11-01), Mueller et al.
Buffalow Edith
Lee, Jr. William D.
Quatt Mark B.
Toney John J.
W. R. Grace & Co.,-Conn.
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