US PATENT SUBCLASS 435 / FOR 144
.~ Isolation or purification of DNA or RNA (935/19)

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435 /   HD   CHEMISTRY: MOLECULAR BIOLOGY AND MICROBIOLOGY

FOR 126  DD  OBTAINING THE DESIRED GENE; DNA, RNA PER SE AND THE MODIFICATION THEREOF OTHER THAN VECTOR MODIFICATION (935/1) {5}
FOR 144.~ Isolation or purification of DNA or RNA (935/19) {1}
FOR 145  DD  .~.~> RNA (935/20) {1}