Patent classifications
C
CHEMISTRY; METALLURGY
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C12
BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
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C12N
MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
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2770/00
ssRNA viruses positive-sense
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C12N2770/36111
Alphavirus, e.g. Sindbis virus, VEE, EEE, WEE, Semliki
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C12N2770/36161
Methods of inactivation or attenuation
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C12N2770/36162
by genetic engineering
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