US PATENT SUBCLASS 210 / 610-- .~.~ Including adding ancillary growth medium for microorganism

US PATENT SUBCLASS 210 / 610
.~.~ Including adding ancillary growth medium for microorganism

Current as of: June, 1999
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210 /	HD	LIQUID PURIFICATION OR SEPARATION

600	DF	PROCESSES {14}
601	DF	.~ Treatment by living organism {13}
610		.~.~ Including adding ancillary growth medium for microorganism {1}
611	DF	.~.~.~> For or with specific microorganism

DEFINITION

Classification: 210/610

Including adding ancillary growth medium for micro-organism:

(under subclass 601) Process in which a nutrient is added to promote multiplication of the living organism.

(1) Note. For purposes of this subclass, and addition of growth medium by mere recirculation of sludge is not considered ancillary.

SEE OR SEARCH CLASS

435, Chemistry: Molecular Biology and Microbiology, particularly

243+, and 822+ for specific classes of micro-organisms and methods of culturing.