Compositions for sustained release of a gas

Details Compositions for sustained release of a gas Compositions for sustained release of a gas

1997-05-19

2000-04-04

Azpuru, Carlos A.

Drug, bio-affecting and body treating compositions

Designated organic nonactive ingredient containing other...

Solid synthetic organic polymer

424405, 424409, 424410, 424411, 424414, 424416, 25218721, 25218723, A61K 4730, A01N 2534, A01N 2508

Patent

active

060462434

ABSTRACT:
A composite for retarding microbiological contamination containing a hydrophobic material containing an acid releasing agent, and a hydrophilic material containing anions that are capable of reacting with hydronium ions to generate a gas. The hydrophilic and hydrophobic materials are adjacent and substantially free of water, and the hydrophilic material is capable of generating and releasing the gas after hydrolysis of the acid releasing agent.

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