US PATENT SUBCLASS 510 / 457
.~ Heat drying process, or product thereof


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

108  DF  CLEANING COMPOSITIONS OR PROCESSES OF PREPARING (E.G., SODIUM BISULFATE COMPONENT, ETC.) {21}
457.~ Heat drying process, or product thereof


DEFINITION

Classification: 510/457

Heat drying process, or product thereof:

(under subclass 108) Processes wherein a particulate solid product is produced by drying a solution or slurry of the cleaning composition components on an evaporative surface, such as a rotating drum or roll, or on a stationary hot plate, or products of such processes.

(1) Note. The dried composition is usually separated from the hot surface in the form of a sheet, or the like, and subsequently subdivided (e.g., by grinding) into particulate form.

SEE OR SEARCH THIS CLASS, SUBCLASS:

452+, for spray-dried products and processes.