Stock material or miscellaneous articles – Composite – Of polyester
Patent
1986-08-26
1988-02-23
Herbert, Thomas J.
Stock material or miscellaneous articles
Composite
Of polyester
15624411, 15624423, 264211, 26421123, 428483, B32B 2708, B32B 2732, B32B 2736, D01F 102
Patent
active
047269979
ABSTRACT:
In a multilayer flexible film suitable for medical solution packaging, film-derived extractables are controlled by the use of a small amount of a high molecular weight stabilizer in the outer layer of the film. Solution pH can be controlled by the addition of a carbonate of an alkali metal to at least one intermediate adhesive layer and/or the core layer of the film.
REFERENCES:
patent: 4188443 (1980-02-01), Mueller et al.
patent: 4528220 (1985-07-01), Hwo
Ciba-Geigy, "Irganox 1010", p. 128
The Condensed Chemical Dictionary, 10th ed., G. Hawley, pub. by Van Nostrand Reinhold Co., p. 569.
Mueller Walter B.
Schirmer Henry G.
Herbert Thomas J.
Lee, Jr. William D.
Quatt Mark B.
Toney John J.
W. R. Grace & Co., Cryovac Div.
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