US PATENT SUBCLASS 435 / 239
.~ Recovery or purification


Current as of: June, 1999
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435 /   HD   CHEMISTRY: MOLECULAR BIOLOGY AND MICROBIOLOGY

235.1  DF  VIRUS OR BACTERIOPHAGE, EXCEPT FOR VIRAL VECTOR OR BACTERIOPHAGE VECTOR; COMPOSITION THEREOF; PREPARATION OR PURIFICATION THEREOF; PRODUCTION OF VIRAL SUBUNITS; MEDIA FOR PROPAGATING {2}
239.~ Recovery or purification


DEFINITION

Classification: 435/239

Recovery or purification:

(under subclass 235.1) Subject matter which involves the purification or recovery of a virus in a purified or uncontaminated state.