US PATENT SUBCLASS 435 / 251
.~ Utilizing media containing waste sulphite liquor

Current as of: June, 1999
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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}
251.~ Utilizing media containing waste sulphite liquor

DEFINITION

Classification: 435/251

Utilizing media containing waste sulphite liquor:

(under subclass 243) Subject matter wherein the media contains waste liquid from the sulfurous acid treatment of cellulose containing material, e.g., paper pulp, etc.