US PATENT SUBCLASS 435 / 244
.~ Chemical stimulation of growth or activity by addition of chemical compound which is not an essential growth factor; stimulation of growth by removal of a chemical compound

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435 /   HD   CHEMISTRY: MOLECULAR BIOLOGY AND MICROBIOLOGY

243  DF  MICRO-ORGANISM, PER SE (E.G., PROTOZOA, ETC.); COMPOSITIONS THEREOF; PROCES OF PROPAGATING, MAINTAINING OR PRESERVING MICRO-ORGANISMS OR COMPOSITIONS THEREOF; PROCESS OF PREPARING OR ISOLATING A COMPOSITION CONTAINING A MICRO-ORGANISM; CULTURE MEDIA THEREFOR {14}
244.~ Chemical stimulation of growth or activity by addition of chemical compound which is not an essential growth factor; stimulation of growth by removal of a chemical compound

DEFINITION

Classification: 435/244

Chemical stimulation of growth or activity by addition of chemical compound which is not an essential growth factor; stimulation of growth by removal of a chemical compound:

(under subclass 243) Subject matter wherein the growth rate of a microorganism or its metabolic activity is stimulated or enhanced by the addition or removal of a particular element or compound which is not required for the microorganism's growth or the control of the pH of the propagation media.

SEE OR SEARCH THIS CLASS, SUBCLASS:

41+, for processes in which the synthesis of compounds is enhanced by methods including the addition of stimulants, etc., to the culture media.

173, for the use of magnetic or wave energy to alter microbial growth or activity.