US PATENT SUBCLASS 127 / 51
.~.~.~.~.~ Acid reagent followed by precipitant

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


127 /   HD   SUGAR, STARCH, AND CARBOHYDRATES

*  DD  PROCESSES {1}
34  DF  .~ Carbohydrate manufacture and refining {3}
42  DF  .~.~ Sugar manufacture and refining {3}
46.1  DF  .~.~.~ Treatment of sacchariferous solutions {5}
48  DF  .~.~.~.~ Chemical precipitation of impurities {4}
51.~.~.~.~.~ Acid reagent followed by precipitant

DEFINITION

Classification: 127/51

The precipitation of impurities is effected by the addition of a precipitating reagent to a solution previously treated with an acid or with a reagent having an acid reaction.