US PATENT SUBCLASS 8 / 110
.~.~ Sulfur compounds

Current as of: June, 1999
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8 /   HD   BLEACHING AND DYEING; FLUID TREATMENT AND CHEMICAL MODIFICATION OF TEXTILES AND FIBERS

101  DF  BLEACHING {3}
107  DF  .~ Chemical {3}
110.~.~ Sulfur compounds

DEFINITION

Classification: 8/110

(under subclass 107) Processes for bleaching by means of sulfur compounds, such as SO2+, sulfites, hydrosulfites, sulfoxylates, etc.