Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Adhesive outermost layer
Patent
1990-10-01
1992-05-05
Buffalow, Edith L.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Adhesive outermost layer
428137, 428409, 428483, 4284758, 428515, 428516, 428520, 426127, 15624418, B32B 712
Patent
active
051106779
ABSTRACT:
A multilayer laminate comprises a machinable inner component perforated film, preferably of a propylene homopolymer or copolymer, a first outer component film bonded to one side of the inner component film, and a second outer component film bonded to the opposite side of the inner component film, each of the first and second outer component films providing high gas permeability and low moisture transmission and including a bonding layer of ethylene copolymers and an outer heat sealable layer.
REFERENCES:
patent: 4759444 (1988-07-01), Barmore
patent: 4935271 (1990-07-01), Schirmer
Barmore Charles R.
Schirmer Henry G.
Buffalow Edith L.
Gregory Leigh P.
Lee, Jr. William D.
Quatt Mark B.
W. R. Grace & Co.,-Conn.
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