Self purging EVOH compositions, and methods

Details Self purging EVOH compositions, and methods Self purging EVOH compositions, and methods

1997-06-27

1999-10-12

Kulkosky, Peter F.

Drug, bio-affecting and body treating compositions

Designated organic nonactive ingredient containing other...

Solid synthetic organic polymer

524323, 524226, 524334, C08L 2904, C08K 513, A61K 4710

Patent

active

059656247

ABSTRACT:
Polymer compositions of the invention typically comprise a base polymer composition, a polymer cleavage agent, and a stabilizer composition. The preferred base polymer composition comprises an ethylene vinyl alcohol copolymer composition. Preferred cleavage agent is an alkaline earth or transition metal salt, preferably an acetate, or a salt of an acid having 8 to 20 carbon atoms. The stabilizer composition comprises an alkylated phenol or bisphenol. Preferred stabilizer composition comprises a tocopherol, preferably alpha tocopherol.

REFERENCES:
patent: 4347337 (1982-08-01), Knott, II
patent: 4938759 (1990-07-01), Enscore et al.
patent: 5258422 (1993-11-01), Chang et al.
patent: 5322877 (1994-06-01), Moriyama et al.

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