Powders providing controlled sustained release of a gas

Details Powders providing controlled sustained release of a gas Powders providing controlled sustained release of a gas

1997-08-29

1999-10-12

Nutter, Nathan M.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

428352, 428353, 428354, 42840224, 428403, 428407, 106 1405, 106 1421, 106 1505, 422 5, 422 9, 424 761, 424 762, 424 7621, A61L 216

Patent

active

059652640

ABSTRACT:
A powder for sustained release of a gas including a core containing a molecular sieve, and a layer containing an acid releasing agent on an outer surface of the core. The core and the layer are substantially free of water, and the core is capable of generating and releasing a gas after hydrolysis of the acid releasing agent.

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