US PATENT SUBCLASS 435 / 239
.~ Recovery or purification

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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.