US PATENT SUBCLASS 510 / 534
.~.~ Inorganic phosphorus containing component

Current as of: June, 1999
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510 /   HD   CLEANING COMPOSITIONS FOR SOLID SURFACES, AUXILIARY COMPOSITIONS THEREFOR, OR PROCESSES OF PREPARING THE COMPOSITIONS

513  DF  AUXILIARY COMPOSITIONS FOR CLEANING, OR PROCESSES OF PREPARING (E.G., LAUNDERING AIDS, SUCH AS WRINKLE-REDUCING COMPOSITIONS, ETC.) {7}
531  DF  .~ Detergent builder composition {3}
534.~.~ Inorganic phosphorus containing component

DEFINITION

Classification: 510/534

Inorganic phosphorus containing component:

(under subclass 531) Compositions which include an inorganic component containing phosphorus.

(1) Note. Water-soluble salts of various phosphoric acids remove polyvalent metal ions by precipitation.