Luminescence reaction test apparatus

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United States of America Patent

PATENT NO 5035866
SERIAL NO

07155955

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Abstract

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Apparatus for performing and measuring chemical reactions includes a reaction test apparatus having reaction wells wherein reactants are controllably mixed, and exposure apparatus which receives and positions the reaction test apparatus adjacent a photographic film. Each of the reaction wells includes at least two reaction cups, arranged one above the other. The uppermost reaction cups have orifices in the bottoms, so that liquid can be mixed and reacted in the uppermost cup, and then controllably transferred to the lower cup to be mixed with additional reactants. In a preferred embodiment, the reaction cups are supported in plates that are structurally integral with the cups, and are superimposed to make a test block. The test block is retained in the exposure apparatus, and liquid is forced from the upper cup to the lower cup by application of pressure to the top of the upper cup. The apparatus of the invention is particularly suited for measuring reactions that produce luminescence of short duration, as the reactants can be conveniently mixed in darkness, while the film is being exposed.

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Patent Owner(s)

Patent OwnerAddress
DIFCO LABORATORIES A CORP OF MIP O BOX 1058 DETROIT MI 48232

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Wannlund, Jon C 2315 Via Santos, Unit C, Carlsbad, CA 92008 8 194

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