US PATENT SUBCLASS 252 / 188.2
.~ Sulfur containing reductant, bleachant, deoxidant, or generative

Current as of: June, 1999
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252 /   HD   COMPOSITIONS

188.1  DF  REDUCTIVE BLEACHANT, DEOXIDANT, REDUCTANT, OR GENERATIVE {4}
188.2.~ Sulfur containing reductant, bleachant, deoxidant, or generative {1}
188.21  DF  .~.~> Sulfite {1}

DEFINITION

Classification: 252/188.2

Sulfur containing reductant, bleachant, deoxidant, or generative:

(under subclass 188.1) Composition which contains a sulfur containing reductive bleachant, deoxidant, reductant, or generative, e.g., a reductive bleaching composition comprised of sodium formaldehyde sulfoxylate and zinc sulfate, etc.