acid flume hood
PORTABLE RECEPTACLE WITH HOOD OR CLOSURE:
This subclass is indented under the class definition. Apparatus
comprising a filter incorporated in a portable receptacle not
having any flow connections attached thereto, which receptacle
is provided with (1) a hood, or (2) means forming a complete closure
of the top side thereof, which closure may have a foraminous section
provided with means for completely covering such section.
Acrylic polymer: This subclass is indented under subclass 698.
Process wherein the organic compound contains recurring units
formed by the addition reaction of acrylic acid, alpha-substituted
acrylic acid or functional deriatives of such acids.
(1) Note. The functional derivatives include the salts, esters,
nitriles, amides, acyl halides, and anhydrides of the acids. The
compound may include units of other monomers such as, e.g., stryrene
Using oxidation ditch (e.g., carousel, etc.): Collection of disclosures
directed to treatment of sewage in which the water is run through
a circular flume or sluice.
(1) Note. The running water appears to increase the dissolved
oxygen and enhance aerobic activity.
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needs. You design it, we build it.