US PATENT SUBCLASS 510 / 529
.~ Laundry sour composition

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}
529.~ Laundry sour composition

DEFINITION

Classification: 510/529

Laundry sour composition:

(under subclass 513) Compositions which serve to neutralize excess alkalinity remaining from a cleaning agent.

(1) Note. Laundry sour compositions are used primarily in

the rinse cycle in commercial laundries, where highly alkaline detergents are utilized in the main wash.